From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684171; cv=none; d=zohomail.com; s=zohoarc; b=TP1TmH1u/vymQSSDzp5dnryFiiUPtIE1JiJ4y/Ch3ZdQFu4ioZ8fs75mXUGRAcRcYwefaCSvBZF5+MnNZRX0O5JLEad+TSF3EoG2m1yR+9V+Sti4hXALs/mwNI/z1dhFhhCCShfYrSk5dGzljU+9H/DumSgNweTDC4mK65VzUHs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684171; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=uhM4mUe4SOwd5IXKZy3s8JqZaDqEwhiZJ//8HTUJpqA=; b=Vdjr1dPbtQnKTbL35EK9BU1oq9lJ6Cr1SwML6hfONnaygAeBzwNbFHDglPBSgxvtNeCmXhgKE1hC30dcxQl4gL5z8VpAONYG67nfoEpE4T8DV2AtZDk3NRJeKPlLo75uEmbIUqqtFtVNU2OItuYlZTYTT4uosilz0u5mozf5FXA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1727684171512151.87596097095695; Mon, 30 Sep 2024 01:16:11 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1svBZO-0002ii-Fn; Mon, 30 Sep 2024 04:15:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBZ0-0001oa-Fu for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:15:31 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBYy-0005b8-KE for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:15:26 -0400 Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-302-mA9Is9HaNXWrdIuKt0TPMw-1; Mon, 30 Sep 2024 04:15:16 -0400 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 555A8193316E; Mon, 30 Sep 2024 08:15:13 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 349551979061; Mon, 30 Sep 2024 08:15:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684117; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uhM4mUe4SOwd5IXKZy3s8JqZaDqEwhiZJ//8HTUJpqA=; b=Ch4Whv2j9R197+jzSjcRjuiW0CmVieGj89fzeubgfr2BUNbycbsek9D246u2r99LylzVFy 57R2wahLkNN3ckletGNtEQyIbSjU5jPIW2Oh+tO3WF9xNDHqWfjEuKUqF62kOch17QbZEp qb8w/gskVfZZhX782ma/KrhjMSO+Xxg= X-MC-Unique: mA9Is9HaNXWrdIuKt0TPMw-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 01/22] util/coroutine: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:36 +0400 Message-ID: <20240930081458.1926382-2-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684173156116600 From: Marc-Andr=C3=A9 Lureau ../util/qemu-coroutine.c:150:8: error: =E2=80=98batch=E2=80=99 may be used = uninitialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Stefan Hajnoczi --- util/qemu-coroutine.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/util/qemu-coroutine.c b/util/qemu-coroutine.c index eb4eebefdf..64d6264fc7 100644 --- a/util/qemu-coroutine.c +++ b/util/qemu-coroutine.c @@ -136,7 +136,7 @@ static Coroutine *coroutine_pool_get_local(void) static void coroutine_pool_refill_local(void) { CoroutinePool *local_pool =3D get_ptr_local_pool(); - CoroutinePoolBatch *batch; + CoroutinePoolBatch *batch =3D NULL; =20 WITH_QEMU_LOCK_GUARD(&global_pool_lock) { batch =3D QSLIST_FIRST(&global_pool); --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684162; cv=none; d=zohomail.com; s=zohoarc; b=CdMN7pamAnwX4mFHaZRLAv3jDCKujfDVennoad2HjOAFdI1IrOH4ROCTME9OYqKnv9hw5XhJV497FLhsT4mneSTL+1sTYKRfwFb7emQvLtjoYVe1Amq/o7Pm2RWUhu3RBxFoYX+nepl02GQIu4+T6HZnVSekGpDUgLtjlYhDJk0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684162; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; 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Mon, 30 Sep 2024 08:15:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684124; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VEGksA9KrAjdYdb0jvqfGMpZ0DaihQHvTeMRO5FF8lk=; b=g7nggetlr9GrX+AACGnU3Gqw2eGvTfcZHtTwmMTvAgtU2yfZE5M0f3zGfZZSSvausTCKVJ ekaf2ZvBDeax5SFRB81bka7YC7GvQZwABqE3vWEgbTaaZ2j8rGZvAe8gCKPu2S8oQoHuCA hKus2FONJnv1GtwIe1FKXSotLR7Sfzk= X-MC-Unique: qX4FTc1uONqEi645OQOQNQ-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 02/22] util/timer: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:37 +0400 Message-ID: <20240930081458.1926382-3-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684163351116600 From: Marc-Andr=C3=A9 Lureau ../util/qemu-timer.c:198:24: error: =E2=80=98expire_time=E2=80=99 may be us= ed uninitialized [-Werror=3Dmaybe-uninitialized] ../util/qemu-timer.c:476:8: error: =E2=80=98rearm=E2=80=99 may be used unin= itialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Manos Pitsidianakis --- util/qemu-timer.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/util/qemu-timer.c b/util/qemu-timer.c index 6b1533bc2a..d5e33490fc 100644 --- a/util/qemu-timer.c +++ b/util/qemu-timer.c @@ -182,7 +182,7 @@ bool qemu_clock_has_timers(QEMUClockType type) =20 bool timerlist_expired(QEMUTimerList *timer_list) { - int64_t expire_time; + int64_t expire_time =3D 0; =20 if (!qatomic_read(&timer_list->active_timers)) { return false; @@ -212,7 +212,7 @@ bool qemu_clock_expired(QEMUClockType type) int64_t timerlist_deadline_ns(QEMUTimerList *timer_list) { int64_t delta; - int64_t expire_time; + int64_t expire_time =3D 0; =20 if (!qatomic_read(&timer_list->active_timers)) { return -1; @@ -461,7 +461,7 @@ void timer_mod_ns(QEMUTimer *ts, int64_t expire_time) void timer_mod_anticipate_ns(QEMUTimer *ts, int64_t expire_time) { QEMUTimerList *timer_list =3D ts->timer_list; - bool rearm; + bool rearm =3D false; =20 WITH_QEMU_LOCK_GUARD(&timer_list->active_timers_lock) { if (ts->expire_time =3D=3D -1 || ts->expire_time > expire_time) { --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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b=AlGQ1bvuPqSH+L69O055TfBHAIYWpS090im6hLjxMQEGEDMjm+hSW/8vDH5gyu2F53TJrg n3guJJ7mKAAZWN9sR++iKVfzSlaSiAgFbkaELNbUT9MGDeHRBDd3QbdzqVBDFdZeTeyB3T q8rZSAZyxQApXRquaqA1sNcZMhg9I6E= X-MC-Unique: UrLeN9cZPF2TMRo2oz_tbg-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 03/22] hw/qxl: fix -Werror=maybe-uninitialized false-positives Date: Mon, 30 Sep 2024 12:14:38 +0400 Message-ID: <20240930081458.1926382-4-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684180659116600 From: Marc-Andr=C3=A9 Lureau ../hw/display/qxl.c:1352:5: error: =E2=80=98pci_region=E2=80=99 may be used= uninitialized [-Werror=3Dmaybe-uninitialized] ../hw/display/qxl.c:1365:22: error: =E2=80=98pci_start=E2=80=99 may be used= uninitialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Manos Pitsidianakis --- hw/display/qxl.c | 4 ++-- roms/openbios | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/display/qxl.c b/hw/display/qxl.c index 3c2b5182ca..0c4b1c9bf2 100644 --- a/hw/display/qxl.c +++ b/hw/display/qxl.c @@ -1301,8 +1301,8 @@ static int qxl_add_memslot(PCIQXLDevice *d, uint32_t = slot_id, uint64_t delta, }; 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Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 04/22] nbd: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:39 +0400 Message-ID: <20240930081458.1926382-5-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; 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Mon, 30 Sep 2024 08:15:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684156; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=foZ7CWBn2Ic+QnOUkHIFPNTfKtf84lHEG4IMdgmc9Bo=; b=UolBVoaHy9u0ahn2/K/tYeRuSD9nJrrzV0Kgm4UxyDWhaFMGqVVmjnuWCJBpUrum0nlHoV ZhmiWVznXTvMmPvRaou+tlq6ekQzk0PLl4q9BhWCz+t/hFlpagLONsRLk1mE1ldF1NSozQ odsFlunL4TH4BSRKaijghMrUF7pyk+I= X-MC-Unique: p26o-aStMY6I-7rQbcmqPA-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 05/22] block/mirror: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:40 +0400 Message-ID: <20240930081458.1926382-6-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684226920116600 From: Marc-Andr=C3=A9 Lureau ../block/mirror.c:1066:22: error: =E2=80=98iostatus=E2=80=99 may be used un= initialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/mirror.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/mirror.c b/block/mirror.c index 61f0a717b7..54e3a7ea9d 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -931,7 +931,7 @@ static int coroutine_fn mirror_run(Job *job, Error **er= rp) MirrorBDSOpaque *mirror_top_opaque =3D s->mirror_top_bs->opaque; BlockDriverState *target_bs =3D blk_bs(s->target); bool need_drain =3D true; - BlockDeviceIoStatus iostatus; + BlockDeviceIoStatus iostatus =3D BLOCK_DEVICE_IO_STATUS__MAX; int64_t length; int64_t target_length; BlockDriverInfo bdi; --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684270; cv=none; d=zohomail.com; s=zohoarc; b=iM/vdDCH/Dw+jlMnSEpSRIEqQkL/O4TQ+IQmCl20meXqC/QgHTWYbfk26s8dMzadIH3cPfyX/kcfj47fU5YGz1Q5dTBNTjS2jfh2qzsObh/HgdiZ8McMQTlTGoxMTSqZAsFFUuFsdbBQYbYjD6jRz8pZ3DVxqQpKGrojruPhe7k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684270; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; 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Mon, 30 Sep 2024 08:15:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684159; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FCeKBonFNyUflZYNMAOxtHXtj8QpjqLDQ64BJECt8as=; b=aebhQ44N1lwnZ/5hLL1xoNtvplnQ8vgs6TjCX04X0QXPoeeuuC/hLYZSgPd/mawthZNzYm ga1/pzEv8sRWzijifhE7G9vVsxxQleDa5IxHWXRy9ntHtxvbLX5JoD8APOSg/syz3KYPyD iUOS56kLpDykyGJ94lG8Caw+MQpVbvI= X-MC-Unique: gTTXg1I8Og-16VJtiXkRWQ-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 06/22] block/mirror: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:41 +0400 Message-ID: <20240930081458.1926382-7-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684271000116600 From: Marc-Andr=C3=A9 Lureau ../block/mirror.c:404:5: error: =E2=80=98ret=E2=80=99 may be used uninitial= ized [-Werror=3Dmaybe-uninitialized] ../block/mirror.c:895:12: error: =E2=80=98ret=E2=80=99 may be used uninitia= lized [-Werror=3Dmaybe-uninitialized] ../block/mirror.c:578:12: error: =E2=80=98ret=E2=80=99 may be used uninitia= lized [-Werror=3Dmaybe-uninitialized] Change a variable to int, as suggested by Manos: "bdrv_co_preadv() which is int and is passed as an int argument to mirror_read_complete()" Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/mirror.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index 54e3a7ea9d..2afe700b4d 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -349,7 +349,7 @@ static void coroutine_fn mirror_co_read(void *opaque) MirrorOp *op =3D opaque; MirrorBlockJob *s =3D op->s; int nb_chunks; - uint64_t ret; + int ret =3D -1; uint64_t max_bytes; =20 max_bytes =3D s->granularity * s->max_iov; @@ -565,7 +565,7 @@ static void coroutine_fn GRAPH_UNLOCKED mirror_iteratio= n(MirrorBlockJob *s) =20 bitmap_set(s->in_flight_bitmap, offset / s->granularity, nb_chunks); while (nb_chunks > 0 && offset < s->bdev_length) { - int ret; + int ret =3D -1; int64_t io_bytes; int64_t io_bytes_acct; MirrorMethod mirror_method =3D MIRROR_METHOD_COPY; @@ -841,7 +841,7 @@ static int coroutine_fn GRAPH_UNLOCKED mirror_dirty_ini= t(MirrorBlockJob *s) int64_t offset; BlockDriverState *bs; BlockDriverState *target_bs =3D blk_bs(s->target); - int ret; + int ret =3D -1; int64_t count; =20 bdrv_graph_co_rdlock(); --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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b=PVxEKGSF+2PHtLm6JmoufrwKdftk1jvZKUt8n20OxHoEmPrugDSKX9x7lrTr5HrdW3khSg 5jZCexAaSF0gZTtHUTv1BvR70U5kUy8f2U40qAUxcC+vl8sYP6NvvhMeCdLDTArgp4+i/V HGeSH5bZGEglSm+Zwu7RyVqw8uLbih4= X-MC-Unique: M8jJGWD5PamBeFxunsqrCA-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 07/22] block/stream: fix -Werror=maybe-uninitialized false-positives Date: Mon, 30 Sep 2024 12:14:42 +0400 Message-ID: <20240930081458.1926382-8-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684425737116600 From: Marc-Andr=C3=A9 Lureau ../block/stream.c:193:19: error: =E2=80=98unfiltered_bs=E2=80=99 may be use= d uninitialized [-Werror=3Dmaybe-uninitialized] ../block/stream.c:176:5: error: =E2=80=98len=E2=80=99 may be used uninitial= ized [-Werror=3Dmaybe-uninitialized] trace/trace-block.h:906:9: error: =E2=80=98ret=E2=80=99 may be used uniniti= alized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Acked-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Manos Pitsidianakis --- block/stream.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/block/stream.c b/block/stream.c index 7031eef12b..9076203193 100644 --- a/block/stream.c +++ b/block/stream.c @@ -155,8 +155,8 @@ static void stream_clean(Job *job) static int coroutine_fn stream_run(Job *job, Error **errp) { StreamBlockJob *s =3D container_of(job, StreamBlockJob, common.job); - BlockDriverState *unfiltered_bs; - int64_t len; + BlockDriverState *unfiltered_bs =3D NULL; + int64_t len =3D -1; int64_t offset =3D 0; int error =3D 0; int64_t n =3D 0; /* bytes */ @@ -177,7 +177,7 @@ static int coroutine_fn stream_run(Job *job, Error **er= rp) =20 for ( ; offset < len; offset +=3D n) { bool copy; - int ret; + int ret =3D -1; =20 /* Note that even when no rate limit is applied we need to yield * with no pending I/O here so that bdrv_drain_all() returns. --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684266; cv=none; d=zohomail.com; s=zohoarc; b=RAN2SXCYW1TnT7YTLu9yZdo/hrAF4WaNKaMuVmXhv5E7BB8MCqM3WPc89eU7KGh2iE06CgF3ixZ50D4mNOH/ZAOtZXGF2UozSrXu3wX6vHXoXf8wJgWYmdjuc5CmQ2jyQQ5Tk3M51MP6opFTcUDlsn6duFwrQaaw/PAIn59fIys= ARC-Message-Signature: i=1; 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Mon, 30 Sep 2024 08:16:07 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id C7B7819373D7; Mon, 30 Sep 2024 08:16:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684173; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VtGkZhaSX+IxfoOdKjEfBlvK3kKNfL8AG2v9Iw0B/NQ=; b=ATVAHe9e9zHW5m4804mRlsS8kwcvkTrToju13v5ZqXkA0QhuaTBCF5VP22cMweo+ScCx1C L33+UvGpk071+8KugwMvRPDphqbAVeocV+2ZNUvo4Zqsqq3DmoSC11drM8WmUwOSzlyt90 1iqs5AODgY5kihi6Cs5wjjNqU59gI20= X-MC-Unique: -SAoFAuxOiiKu13R-OO-6A-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 08/22] hw/ahci: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:43 +0400 Message-ID: <20240930081458.1926382-9-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684267192116600 From: Marc-Andr=C3=A9 Lureau ../hw/ide/ahci.c:989:58: error: =E2=80=98tbl_entry_size=E2=80=99 may be use= d uninitialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Manos Pitsidianakis --- hw/ide/ahci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 7fc2a08df2..0eb24304ee 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -948,7 +948,6 @@ static int ahci_populate_sglist(AHCIDevice *ad, QEMUSGL= ist *sglist, uint64_t sum =3D 0; int off_idx =3D -1; int64_t off_pos =3D -1; - int tbl_entry_size; IDEBus *bus =3D &ad->port; BusState *qbus =3D BUS(bus); =20 @@ -976,6 +975,8 @@ static int ahci_populate_sglist(AHCIDevice *ad, QEMUSGL= ist *sglist, /* Get entries in the PRDT, init a qemu sglist accordingly */ if (prdtl > 0) { AHCI_SG *tbl =3D (AHCI_SG *)prdt; + int tbl_entry_size =3D 0; + sum =3D 0; for (i =3D 0; i < prdtl; i++) { tbl_entry_size =3D prdt_tbl_entry_size(&tbl[i]); --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684307; cv=none; d=zohomail.com; s=zohoarc; b=PYpvUAOSr6vFFrfbKSc02RQaNdwrP3dENG0gsnbQFW0peTwY4ZslITm5bJ6jccsC52NLAj5LQ9+Ex/VAFaZGlYOUifch20A1vBbPf0OT1d1zuMd3GX1SB2xrKNNgIzbwkHlIXuyB0kGRbmoddwzj2jfSAXLqYP5m+1GeohoZqSQ= ARC-Message-Signature: i=1; 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Mon, 30 Sep 2024 08:16:12 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 8C2FD1955DC7; Mon, 30 Sep 2024 08:16:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684178; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JWGVABklCLrU7/ALyC116NV9eFWhHW+S/KvcK29JhAU=; b=eImr9MADNpTNSBNfejGhLHWzY4iirw2NMOjE/VJcWzQLznQ+JEg8lQ2+sSt2Y8/Wr/Tt1e gKhRQTSILt1H/6CBfww6qccab+zRomVMUX2XFno7xWUQoXFwQkI4XVDydYtMgBxCRQwwR/ Uz9Hd32kVJ6qfn+UmY7cCtSFmKM6p/0= X-MC-Unique: bs9SLGCQNkWcNYEly4406Q-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 09/22] hw/vhost-scsi: fix -Werror=maybe-uninitialized Date: Mon, 30 Sep 2024 12:14:44 +0400 Message-ID: <20240930081458.1926382-10-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684309384116600 From: Marc-Andr=C3=A9 Lureau ../hw/scsi/vhost-scsi.c:173:12: error: =E2=80=98ret=E2=80=99 may be used un= initialized [-Werror=3Dmaybe-uninitialized] It can be reached when num_queues=3D0. It probably doesn't make much sense to instantiate a vhost-scsi with 0 IO queues though. For now, make vhost_scsi_set_workers() return success/0 anyway, when no workers have been setup. Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Stefano Garzarella --- hw/scsi/vhost-scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c index 49cff2a0cb..22d16dc26b 100644 --- a/hw/scsi/vhost-scsi.c +++ b/hw/scsi/vhost-scsi.c @@ -172,7 +172,7 @@ static int vhost_scsi_set_workers(VHostSCSICommon *vsc,= bool per_virtqueue) struct vhost_dev *dev =3D &vsc->dev; struct vhost_vring_worker vq_worker; struct vhost_worker_state worker; - int i, ret; + int i, ret =3D 0; =20 /* Use default worker */ if (!per_virtqueue || dev->nvqs =3D=3D VHOST_SCSI_VQ_NUM_FIXED + 1) { --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684479; cv=none; d=zohomail.com; s=zohoarc; b=lZ3wT7Sqf4Adyjx2Nv3fWT+bsklfKw3ZgUHTZSUZh7NJF6wK7cUGS/+85axt6ClDBEYqo5iotumbjJ44TNB5SwW7xH/mNhW+rXC+K24qael2k+OfgsBHZTh1LsQ7zt89cXThl8tkCXQa21T2iWlwWQgTJ66bbTgkSNN1lmjPqTk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684479; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=N8oWnyTYg8AgJWFNvI249dMhAmQigPL79FgF3CC8NN0=; b=YPnvTWXC7kDbnroQZoUUmyKXVlbRX6Ewl4q17ZJcOTrIT2sQ5regqnra2/Iuq0Yup4v9QMgKMVf5dga/Hjh4xvM5mxBbXiAxmESETyd8UMIj9ZWjxTmGr8DEY61BlqJlrgAb3hY1iD16B6PNw5oLwFe8S6DEN9UH1oLD/AZeGag= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1727684479837744.62065816502; Mon, 30 Sep 2024 01:21:19 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1svBbm-0002SD-L9; Mon, 30 Sep 2024 04:18:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBa1-0003sk-Os for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:16:30 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBZw-0005kV-3U for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:16:26 -0400 Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-352-FcsLGfHaO6e6DF-46-XCUw-1; Mon, 30 Sep 2024 04:16:20 -0400 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 24E5F1953957; Mon, 30 Sep 2024 08:16:17 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 0BD421955DC7; Mon, 30 Sep 2024 08:16:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684181; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=N8oWnyTYg8AgJWFNvI249dMhAmQigPL79FgF3CC8NN0=; b=PyG4rq1J0X+SOZEXywDZkomMDX12FwwVL9Q9keCVxww5u/ypVQs0+/GOh7+XN54ftpBRSt shiLunwMim8ZO/tWUb3qmYBgUB22eTHuvOx5tTBjaY3dl9hPc2ywBNKo+6wLkgyMpUSjwx gqLlVFkAJx2ERmxWUpdpuMTy8EyLNZg= X-MC-Unique: FcsLGfHaO6e6DF-46-XCUw-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 10/22] hw/sdhci: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:45 +0400 Message-ID: <20240930081458.1926382-11-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684482001116600 From: Marc-Andr=C3=A9 Lureau ../hw/sd/sdhci.c:846:16: error: =E2=80=98res=E2=80=99 may be used uninitial= ized [-Werror=3Dmaybe-uninitialized] False-positive, because "length" is non-null. Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Alex Benn=C3=A9e --- hw/sd/sdhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index 87122e4245..ed01499391 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -747,7 +747,7 @@ static void sdhci_do_adma(SDHCIState *s) const uint16_t block_size =3D s->blksize & BLOCK_SIZE_MASK; const MemTxAttrs attrs =3D { .memory =3D true }; ADMADescr dscr =3D {}; - MemTxResult res; + MemTxResult res =3D MEMTX_ERROR; int i; =20 if (s->trnmod & SDHC_TRNS_BLK_CNT_EN && !s->blkcnt) { --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684274; cv=none; d=zohomail.com; s=zohoarc; b=Ayt944KHU0L8BcRoklIP/MV0I14gxGWqO26YljUlkeone6EBcWoKuljrGlU3eFuGi7MgoZxtIonUMLUTMp9aE7zZxfi09xuok3o31P+B4k03u6TbHj34XWGlEOs80f4lEF3UFJ9ykM7vInhY+bbjEIh1QWq7lKjRTXmwMMwdVj8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684274; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=8PUwcgtZt0hOyPV07gl666NOLQBNxh2UtOKTtC1Z66E=; b=LRIxXONx9giTDDLJjLp7KHr/FtZjvoDVWoUe+PFEg/t5XrgxnYNQLp6LW5xDkfv0aR2K4jCUEuX1UeB266Sh0DzXGkvQClv1sTl/fApCVUzZgfAig8hDrMu0fmfdKIInaWKrzvfLkUi+ZCFeh3OXwJIFJUfmS1rVGPu1IPSsPrU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1727684274272384.4913397883047; Mon, 30 Sep 2024 01:17:54 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1svBbC-0007ej-Bp; Mon, 30 Sep 2024 04:17:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBa5-00046t-1z for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:16:34 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBa3-0005mS-4I for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:16:32 -0400 Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-76-4BF36qTDObCTfvrJfya0iA-1; Mon, 30 Sep 2024 04:16:27 -0400 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 4F19D1943CD2; Mon, 30 Sep 2024 08:16:24 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id B4A64195419F; Mon, 30 Sep 2024 08:16:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684190; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8PUwcgtZt0hOyPV07gl666NOLQBNxh2UtOKTtC1Z66E=; b=QdjTPBhd9gDnyKNxNgxij9b7RGj5efZcbfh0AVZ0/yXyqvozl1CX9KswV3VUQEWVUPHIEr bBHDN5qXF410kaKyraiHu1M5frlzNEi+obhefiHUJOKKW2+suChqEod2ik3DOx2qcRW2HO PVZk1fU0t08+hXOJMc9BSFhfBXynUP8= X-MC-Unique: 4BF36qTDObCTfvrJfya0iA-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 11/22] block/block-copy: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:46 +0400 Message-ID: <20240930081458.1926382-12-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684275068116600 From: Marc-Andr=C3=A9 Lureau ../block/block-copy.c:591:12: error: =E2=80=98ret=E2=80=99 may be used unin= itialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/block-copy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/block-copy.c b/block/block-copy.c index cc618e4561..7265733825 100644 --- a/block/block-copy.c +++ b/block/block-copy.c @@ -568,7 +568,7 @@ static coroutine_fn int block_copy_task_entry(AioTask *= task) BlockCopyState *s =3D t->s; bool error_is_read =3D false; BlockCopyMethod method =3D t->method; - int ret; + int ret =3D -1; =20 WITH_GRAPH_RDLOCK_GUARD() { ret =3D block_copy_do_copy(s, t->req.offset, t->req.bytes, &method, --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684423; cv=none; d=zohomail.com; s=zohoarc; b=L/aZRL3Ll5UjrW/JVLLYIOKhEpdByW5x9q7D0vt4ea/pTQks61kPsxzu6JUCWoAeilXtpf54gGjNv0fc92E4RbENx31fvCbYkubhvejB5Ug6qY4z5syFG0vEC8nl7Sr/XxUY4tIa5dTUtT9AgaPKcFfxR1WjP/EuonRv696OMD4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684423; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; 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Mon, 30 Sep 2024 08:16:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684196; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=n8dGE0A38f5VTr5H+JPJ+JEIz9Dt2fSH4V7WEzu6LPU=; b=COaj88y/I5Q5S0mNdwqxHu+aw6i6OzHzckvxBZNxFNshKIb2ldc+ig2DnhZ0ZHfntWhlA7 JSZlPqCSzOnKpwtvQRjlDYK6rzqbrAv8UstjcAFfnKPE+hOskZFBfRFQkdnj4bsa0T1d8a mrBybZDcJYHRoC5mWc3AzWyA7hrzlBE= X-MC-Unique: leZvvJVBOCydAAzUohkKSg-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 12/22] migration: fix -Werror=maybe-uninitialized false-positives Date: Mon, 30 Sep 2024 12:14:47 +0400 Message-ID: <20240930081458.1926382-13-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684424454116600 From: Marc-Andr=C3=A9 Lureau ../migration/dirtyrate.c:186:5: error: =E2=80=98records=E2=80=99 may be use= d uninitialized [-Werror=3Dmaybe-uninitialized] ../migration/dirtyrate.c:168:12: error: =E2=80=98gen_id=E2=80=99 may be use= d uninitialized [-Werror=3Dmaybe-uninitialized] ../migration/migration.c:2273:5: error: =E2=80=98file=E2=80=99 may be used = uninitialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Acked-by: Peter Xu Reviewed-by: Hyman Huang --- migration/dirtyrate.c | 4 ++-- migration/migration.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index 5478d58de3..233acb0855 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -149,12 +149,12 @@ int64_t vcpu_calculate_dirtyrate(int64_t calc_time_ms, unsigned int flag, bool one_shot) { - DirtyPageRecord *records; + DirtyPageRecord *records =3D NULL; int64_t init_time_ms; int64_t duration; int64_t dirtyrate; int i =3D 0; - unsigned int gen_id; + unsigned int gen_id =3D 0; =20 retry: init_time_ms =3D qemu_clock_get_ms(QEMU_CLOCK_REALTIME); diff --git a/migration/migration.c b/migration/migration.c index ae2be31557..021faee2f3 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -2278,7 +2278,7 @@ static bool migrate_handle_rp_resume_ack(MigrationSta= te *s, */ static void migration_release_dst_files(MigrationState *ms) { - QEMUFile *file; + QEMUFile *file =3D NULL; =20 WITH_QEMU_LOCK_GUARD(&ms->qemu_file_lock) { /* --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; 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b=BL16SZV9MT7VREegDOOGcT5WLFv1+yM3hk3nxd4j1iJjiffzv+fVpz2G3mvsE0qtAw/hqS fBVjY2Cmw4w3i0noON/9tSZSCoQknlTXPw3RovvSL0YeN2bStFma4G1vfveO3s9LAkYAJe e8GrnoXJNQ0q2rAQJc6s2fvzJOkSEJs= X-MC-Unique: muZz1Fg8Peq94dAr0jhFLA-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 13/22] hw/virtio-blk: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:48 +0400 Message-ID: <20240930081458.1926382-14-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684463995116600 From: Marc-Andr=C3=A9 Lureau ../hw/block/virtio-blk.c:1212:12: error: =E2=80=98rq=E2=80=99 may be used u= ninitialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Stefan Hajnoczi Reviewed-by: Stefano Garzarella --- hw/block/virtio-blk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 115795392c..9166d7974d 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -1060,7 +1060,7 @@ static void virtio_blk_dma_restart_cb(void *opaque, b= ool running, VirtIOBlock *s =3D opaque; uint16_t num_queues =3D s->conf.num_queues; g_autofree VirtIOBlockReq **vq_rq =3D NULL; - VirtIOBlockReq *rq; + VirtIOBlockReq *rq =3D NULL; =20 if (!running) { return; --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684529; cv=none; d=zohomail.com; s=zohoarc; b=AgY2oIoM2jn/yvgVm3ccBD1tGhav2/3Mnspjm6AKTWglsS4fzmzoEClVuV5lV2iQgfi/4Q5oilMsYwn92DyfNxxox4EmAXVDsN9AB9BGp9qHL8O5XK3iUK1mlpYOWwmLM7S21cQJTpdFqfGrZaUcq5VZhPKO5TwjlQyP7ckw3oc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684529; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; 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Mon, 30 Sep 2024 08:16:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684209; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rkCDdXwIPlr39y+SeAk0OhVm7wJjgw4TMj43kjTyWsQ=; b=BWe6EDuwxqA0Q8YckiBuS0g1vH3P5vv/DCoQnBG0A5XmEB2ysp1qt339e9jjfzlxt6LITP FDefZYOh5JMKJjkF2BS6jYDpcKSVH0qZTaoHOSoHCiTs7pQxXIu6tF3XDnGvrr170lfB0W EdznGtD6HK0hM/BuVPHl8c0GMWzzM7k= X-MC-Unique: 3l9AFWjfPFu1qQK9PJCZ4w-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 14/22] migration: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:49 +0400 Message-ID: <20240930081458.1926382-15-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684530825116600 From: Marc-Andr=C3=A9 Lureau ../migration/ram.c:1873:23: error: =E2=80=98dirty=E2=80=99 may be used unin= itialized [-Werror=3Dmaybe-uninitialized] When 'block' !=3D NULL, 'dirty' is initialized. Signed-off-by: Marc-Andr=C3=A9 Lureau Acked-by: Peter Xu --- migration/ram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration/ram.c b/migration/ram.c index 81eda2736a..326ce7eb79 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -1793,7 +1793,7 @@ static bool get_queued_page(RAMState *rs, PageSearchS= tatus *pss) { RAMBlock *block; ram_addr_t offset; - bool dirty; + bool dirty =3D false; =20 do { block =3D unqueue_page(rs, &offset); --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684488; cv=none; d=zohomail.com; s=zohoarc; b=WxUX1ylFoAyk5Q6RWWKMnZxFpC3qyoFwIqTXG5BhZ3uhK0G1BQOWdaOLIRUA6SN7174KHPxp5PBTnjhPUOGiXbAWp9HDkSx8i1ZrNQdEDIrarMzioXWKAh396kGAnb+JWGSdYHNSjwxGx7/ahBFaFp9j4cdRqhYul7RW+K3p+I4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684488; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=xtGJwVXMrFzPBkMfLTJwPBwE9R7SBDoRTUi3pO0/Y7E=; b=f9xEdGixq3c5ugneonvh2p9XDqxjwsI3V7SgtMUMY19S49aU985ZN66XC4IXiDqOHis/QNAWTX7V6WfKNfm3+h734d+WJvpS8HAoDS5B0HFDyo3IPyvpLjh0BSP2RXSoMeBKRr2iAZOQuhvQmFIYNyYVwmxlO7V4YE1eOi07I9k= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1727684488618481.11507066960144; Mon, 30 Sep 2024 01:21:28 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1svBck-0007Bp-9g; Mon, 30 Sep 2024 04:19:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBaU-0005eE-Ix for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:17:05 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBaS-0005tR-8B for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:16:58 -0400 Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-154-3T0HPuNQMMiFF_pTTiSmBQ-1; Mon, 30 Sep 2024 04:16:52 -0400 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8F3B71935852; Mon, 30 Sep 2024 08:16:48 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 504091955DC7; Mon, 30 Sep 2024 08:16:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684215; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xtGJwVXMrFzPBkMfLTJwPBwE9R7SBDoRTUi3pO0/Y7E=; b=dWGrVnP0GMBocT4irmiv5yMCh0py7AFUf8bzOiv7OysZJcZfsYAWwbqYjkNJtqkR8huCUf u6b5lKe4FBfeK5+ODFVxZyK3+wBeXZbuKXwChfC0eplU4NCzfXp9iHD8pXh/ETMXBehIXB PaDJS6f4u96ftJbScwET2eYe8HNqqKM= X-MC-Unique: 3T0HPuNQMMiFF_pTTiSmBQ-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 15/22] linux-user/hppa: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:50 +0400 Message-ID: <20240930081458.1926382-16-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684490033116600 From: Marc-Andr=C3=A9 Lureau ../linux-user/hppa/cpu_loop.c: In function =E2=80=98hppa_lws=E2=80=99: ../linux-user/hppa/cpu_loop.c:106:17: error: =E2=80=98ret=E2=80=99 may be u= sed uninitialized [-Werror=3Dmaybe-uninitialized] 106 | env->gr[28] =3D ret; Signed-off-by: Marc-Andr=C3=A9 Lureau --- linux-user/hppa/cpu_loop.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/linux-user/hppa/cpu_loop.c b/linux-user/hppa/cpu_loop.c index bc093b8fe8..f4da95490e 100644 --- a/linux-user/hppa/cpu_loop.c +++ b/linux-user/hppa/cpu_loop.c @@ -43,7 +43,7 @@ static abi_ulong hppa_lws(CPUHPPAState *env) old =3D tswap32(old); new =3D tswap32(new); ret =3D qatomic_cmpxchg((uint32_t *)g2h(cs, addr), old, new); - ret =3D tswap32(ret); + env->gr[28] =3D tswap32(ret); break; =20 case 2: /* elf32 atomic "new" cmpxchg */ @@ -64,19 +64,19 @@ static abi_ulong hppa_lws(CPUHPPAState *env) old =3D *(uint8_t *)g2h(cs, old); new =3D *(uint8_t *)g2h(cs, new); ret =3D qatomic_cmpxchg((uint8_t *)g2h(cs, addr), old, new); - ret =3D ret !=3D old; + env->gr[28] =3D ret !=3D old; break; case 1: old =3D *(uint16_t *)g2h(cs, old); new =3D *(uint16_t *)g2h(cs, new); ret =3D qatomic_cmpxchg((uint16_t *)g2h(cs, addr), old, new); - ret =3D ret !=3D old; + env->gr[28] =3D ret !=3D old; break; case 2: old =3D *(uint32_t *)g2h(cs, old); new =3D *(uint32_t *)g2h(cs, new); ret =3D qatomic_cmpxchg((uint32_t *)g2h(cs, addr), old, new); - ret =3D ret !=3D old; + env->gr[28] =3D ret !=3D old; break; case 3: { @@ -97,13 +97,13 @@ static abi_ulong hppa_lws(CPUHPPAState *env) } end_exclusive(); #endif + env->gr[28] =3D ret; } break; } break; } =20 - env->gr[28] =3D ret; return 0; } =20 --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684501; cv=none; d=zohomail.com; s=zohoarc; b=M0elCqv82vcyyFKL/7lae8ymZ73Qe1PJQ1zgJE8qCSeOUL0D+I5aPf1aRALmbyYlevTHe838qbCXZRU/kubRpVeR0XupfdUKjB3qyi56ZEvH/Qx2mJAGW9LWQReeoT5XoySyM7yu3HPz0/qn3LIvS+eNywpS4F9ClKexqGvevrg= ARC-Message-Signature: i=1; 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Mon, 30 Sep 2024 08:16:54 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 1F9E91944B25; Mon, 30 Sep 2024 08:16:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684222; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4KJE8qUD4umiZGkFcxMeE4vCoHpAfNtigMP6Qc0MhA4=; b=EDjKaAXvCaqpVt7TmEyfqKcTnK235JV91BydQYZECoIRzQQioQYPxEqfALNO2ZiSpYHbrd jBWrtC4NNX2x9u1xYQxTBnRP9I9+x+ePEnKRNPoEDnrzctmaJem1apUx3xuuDpNSWv0rNa WjQkSFFZMyI5Q8NHPlz5wJkXXuFisZY= X-MC-Unique: 6qs-q_Q_NCe-xB0C9iuNNg-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 16/22] target/loongarch: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:51 +0400 Message-ID: <20240930081458.1926382-17-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684502620116600 From: Marc-Andr=C3=A9 Lureau ../target/loongarch/gdbstub.c:55:20: error: =E2=80=98val=E2=80=99 may be us= ed uninitialized [-Werror=3Dmaybe-uninitialized] 55 | return gdb_get_reg32(mem_buf, val); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../target/loongarch/gdbstub.c:39:18: note: =E2=80=98val=E2=80=99 was declar= ed here 39 | uint64_t val; Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Vladimir Sementsov-Ogievskiy --- target/loongarch/gdbstub.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/target/loongarch/gdbstub.c b/target/loongarch/gdbstub.c index 7ca245ee81..3a03cf9cba 100644 --- a/target/loongarch/gdbstub.c +++ b/target/loongarch/gdbstub.c @@ -34,26 +34,28 @@ void write_fcc(CPULoongArchState *env, uint64_t val) int loongarch_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int= n) { CPULoongArchState *env =3D cpu_env(cs); - uint64_t val; - - if (0 <=3D n && n < 32) { - val =3D env->gpr[n]; - } else if (n =3D=3D 32) { - /* orig_a0 */ - val =3D 0; - } else if (n =3D=3D 33) { - val =3D env->pc; - } else if (n =3D=3D 34) { - val =3D env->CSR_BADV; - } =20 if (0 <=3D n && n <=3D 34) { + uint64_t val; + + if (n < 32) { + val =3D env->gpr[n]; + } else if (n =3D=3D 32) { + /* orig_a0 */ + val =3D 0; + } else if (n =3D=3D 33) { + val =3D env->pc; + } else /* if (n =3D=3D 34) */ { + val =3D env->CSR_BADV; + } + if (is_la64(env)) { return gdb_get_reg64(mem_buf, val); } else { return gdb_get_reg32(mem_buf, val); } } + return 0; } =20 --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684538; cv=none; d=zohomail.com; s=zohoarc; b=fifSVAHKRkZMHHCSniEXdeekH5Aith6d49wvWTeHl6DWLLFxYxbA/hZSdIE9us/9iEoV2WRH09u20GQwgewJWfKLaBPE5qPPT4fpAifDrphR8o8rcx7LtSEtBeqimwjsGIHitwHWbqg9MUu7Nhm7UNf/aMsT1LGPY9AjxZOkyIk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684538; 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Mon, 30 Sep 2024 08:16:58 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id A74CF1955DC7; Mon, 30 Sep 2024 08:16:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684223; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NAK9HSEf/74uNdIIqZP2L3zUsV6HNSqDIlQaYXiyyvc=; b=MlN5gmbLieqdqbgTUVIm0La11ydKVhZqXFlR2YkWZujsro+5IeGALsLCrr3VIKF/zpnKz5 MrMI/XrAdtOpPtdti22Rw2s19L7ABX3OFgCIGgdBdLUfGG552kqvsk6AUEbhxVOwOQZ2QQ b41WRTBg6V4S5LaqkSr8hdn5wVWEV6c= X-MC-Unique: gYms-_csND6eukPD3sVjxg-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 17/22] tests: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:52 +0400 Message-ID: <20240930081458.1926382-18-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684538759116600 From: Marc-Andr=C3=A9 Lureau ../tests/unit/test-block-iothread.c:773:17: error: =E2=80=98job=E2=80=99 ma= y be used uninitialized [-Werror=3Dmaybe-uninitialized] /usr/include/glib-2.0/glib/gtestutils.h:73:53: error: =E2=80=98ret=E2=80=99= may be used uninitialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Vladimir Sementsov-Ogievskiy --- tests/unit/test-bdrv-drain.c | 2 +- tests/unit/test-block-iothread.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/unit/test-bdrv-drain.c b/tests/unit/test-bdrv-drain.c index 666880472b..c112d5b189 100644 --- a/tests/unit/test-bdrv-drain.c +++ b/tests/unit/test-bdrv-drain.c @@ -722,7 +722,7 @@ static void test_blockjob_common_drain_node(enum drain_= type drain_type, BlockJob *job; TestBlockJob *tjob; IOThread *iothread =3D NULL; - int ret; + int ret =3D -1; =20 src =3D bdrv_new_open_driver(&bdrv_test, "source", BDRV_O_RDWR, &error_abort); diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothr= ead.c index 3766d5de6b..20ed54f570 100644 --- a/tests/unit/test-block-iothread.c +++ b/tests/unit/test-block-iothread.c @@ -745,7 +745,7 @@ static void test_propagate_mirror(void) AioContext *main_ctx =3D qemu_get_aio_context(); BlockDriverState *src, *target, *filter; BlockBackend *blk; - Job *job; + Job *job =3D NULL; Error *local_err =3D NULL; =20 /* Create src and target*/ --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; 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b=QAYjKFYyG8Ognd/OcWRCxul/0uknBUegfdeqxqkHpGMFCOr3ogfNHvwnpgHpO0LdGbnE+3 tUFyUJ13VB7UEpy9BdBvVN5cp+RwV8JNpATBdlhtHV/rixaxPHbu6NtzH1bQCqrEf3L8Ed MH1m5HLKS7Ii3YlY/ZfQgMwCRdWV7Gw= X-MC-Unique: PX0tQrKbP1Wbriuy_NjBpA-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 18/22] hw/virtio: fix -Werror=maybe-uninitialized Date: Mon, 30 Sep 2024 12:14:53 +0400 Message-ID: <20240930081458.1926382-19-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684427711116600 From: Marc-Andr=C3=A9 Lureau ../hw/virtio/vhost-shadow-virtqueue.c:545:13: error: =E2=80=98r=E2=80=99 ma= y be used uninitialized [-Werror=3Dmaybe-uninitialized] Set `r` to 0 at every loop, since we don't check vhost_svq_get_buf() return value. Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Stefano Garzarella --- hw/virtio/vhost-shadow-virtqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-vi= rtqueue.c index fc5f408f77..3b2beaea24 100644 --- a/hw/virtio/vhost-shadow-virtqueue.c +++ b/hw/virtio/vhost-shadow-virtqueue.c @@ -526,10 +526,10 @@ static void vhost_svq_flush(VhostShadowVirtqueue *svq, size_t vhost_svq_poll(VhostShadowVirtqueue *svq, size_t num) { size_t len =3D 0; - uint32_t r; =20 while (num--) { int64_t start_us =3D g_get_monotonic_time(); + uint32_t r =3D 0; =20 do { if (vhost_svq_more_used(svq)) { --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684512; cv=none; d=zohomail.com; s=zohoarc; b=DrF38QejO7MAMluB8Ze3Dk9KGB2apsqNABi/ElzyXoGlNjPzXYKv04D93yitMXvyeh33n9TGaLEStI72FA3EQXPf0ee8m38noWV2cvZYwcVYAvKNEiMNiH30Rk5nrE2HSWx74jFR7418ZoQA0xs8mOucYPu/pvdm955cosudlKk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684512; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=AU2QKvlXkq2m7fuSrNPGbhF842/fYYgn4Hl/0baIda8=; b=HJPtU3wrTUWOYCEX3UZnFl+Eb9ymI3qhaoRxiWMq3SVvVTHHS8l5M9VrzPqgrjLaNlaTl5sjCTLt8rYUkXCBoklcypZ1VLhaMJfpKR+X4WUfl+rcPZnbImC7WAswZNEE4Ml3oa0T9Kn343nCHtNzz/ufE8Jjwf2utAH4Q/9eQB4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1727684512903951.1462372013428; Mon, 30 Sep 2024 01:21:52 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1svBc1-0004Qm-Q3; Mon, 30 Sep 2024 04:18:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBaq-0006QA-GF for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:17:23 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1svBan-0005wS-JT for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:17:20 -0400 Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-619-S7U4KrorMmGYH_kVM6dSzQ-1; Mon, 30 Sep 2024 04:17:13 -0400 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 760AA1944DE2; Mon, 30 Sep 2024 08:17:10 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 0E4C11955DC7; Mon, 30 Sep 2024 08:17:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684236; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AU2QKvlXkq2m7fuSrNPGbhF842/fYYgn4Hl/0baIda8=; b=iFPsLlQHL2vUjvWGjjOtH1kdFyfSt4oYvs8i7B6gvUKoFuJowZiPKlnB9X8IMywCoi3ctk qhl141gfBsKcFfiHEdu7N5gnwR7CatPtcZ9ghbqE7WhY0nhKxa6Pa3PnTeF1qXnrZuLzyV QEPMAAqdpO++OCxo2iXJ1KXvNiFJSUA= X-MC-Unique: S7U4KrorMmGYH_kVM6dSzQ-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 19/22] RFC: hw/virtio: a potential leak fix Date: Mon, 30 Sep 2024 12:14:54 +0400 Message-ID: <20240930081458.1926382-20-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684514563116600 From: Marc-Andr=C3=A9 Lureau vhost_svq_get_buf() may return a VirtQueueElement that should be freed. It's unclear to me if the vhost_svq_get_buf() call should always return NUL= L. Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Eugenio P=C3=A9rez --- hw/virtio/vhost-shadow-virtqueue.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-vi= rtqueue.c index 3b2beaea24..37aca8b431 100644 --- a/hw/virtio/vhost-shadow-virtqueue.c +++ b/hw/virtio/vhost-shadow-virtqueue.c @@ -414,6 +414,7 @@ static uint16_t vhost_svq_last_desc_of_chain(const Vhos= tShadowVirtqueue *svq, return i; } =20 +G_GNUC_WARN_UNUSED_RESULT static VirtQueueElement *vhost_svq_get_buf(VhostShadowVirtqueue *svq, uint32_t *len) { @@ -528,6 +529,7 @@ size_t vhost_svq_poll(VhostShadowVirtqueue *svq, size_t= num) size_t len =3D 0; =20 while (num--) { + g_autofree VirtQueueElement *elem =3D NULL; int64_t start_us =3D g_get_monotonic_time(); uint32_t r =3D 0; =20 @@ -541,7 +543,7 @@ size_t vhost_svq_poll(VhostShadowVirtqueue *svq, size_t= num) } } while (true); =20 - vhost_svq_get_buf(svq, &r); + elem =3D vhost_svq_get_buf(svq, &r); len +=3D r; } =20 --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684465; cv=none; d=zohomail.com; s=zohoarc; b=YRh75HsNltGlh5+whudFNTinwQzX352YsD13rQMwqSnmbCL4gWA+nFbfn33PGEjlb8woWPxFASzUxvMxAMjLiqPtmqvvBxhpaBm68wBHsQIBzZ/0lZce5eXGWFC3kOQNQlZGFv+WF8NJ68ouIuZNGYt9+L+Xed/E9zyxnzco318= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684465; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=8kITW/qOItfiafJDWQ5dEslsyyB81A9V60goYSoquHw=; 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Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 20/22] block: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:55 +0400 Message-ID: <20240930081458.1926382-21-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; 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- BlockZoneModel zoned; + BlockZoneModel zoned =3D BLK_Z_NONE; int ret; =20 ret =3D get_sysfs_zoned_model(st, &zoned); --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727684423; cv=none; d=zohomail.com; s=zohoarc; b=hNmFtv4a9a/VpO8IYHhl7g059MNf/JNgijxrOyJH+Av2O02OnDziLYaT3TTJuYkTZC7Hkn2j8zGSPhESmGkFl/dxQKCjuQBr899rNfuG5mH31agc0FMbXrMvB7byJlcCk7HAt3RevjIf43yfr8HCMvBK6y9H/EEASaN1GvwejLk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727684423; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; 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Mon, 30 Sep 2024 08:17:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684245; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ElCpY9kFrSpKlvFzS0SprrjPHHjbgy2DQnRLtpYGc90=; b=fSH8p411t8g8H3rthJa/DIq8hcag+20j1GjY9SQEbeqLkzBtc1KsVBkwZwapsCkhWDTy0x kQ1ZSO6fUIagZMP7jx8QWK7bdDp2ju3ARGrjKlTtVhkurMrTBXrg94cxx3Foegp2pIwZO1 lctpJLE9v9PXKckPHCAKJ1ZJv8GILpo= X-MC-Unique: 8mEzTZSFM3C0zLC5Cj4Ajw-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 21/22] qom/object: fix -Werror=maybe-uninitialized Date: Mon, 30 Sep 2024 12:14:56 +0400 Message-ID: <20240930081458.1926382-22-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684424458116600 From: Marc-Andr=C3=A9 Lureau object_resolve_path_type() didn't always set *ambiguousp. Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Vladimir Sementsov-Ogievskiy --- qom/object.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/qom/object.c b/qom/object.c index 28c5b66eab..bdc8a2c666 100644 --- a/qom/object.c +++ b/qom/object.c @@ -2201,6 +2201,9 @@ Object *object_resolve_path_type(const char *path, co= nst char *typename, } } else { obj =3D object_resolve_abs_path(object_get_root(), parts + 1, type= name); + if (ambiguousp) { + *ambiguousp =3D false; + } } =20 g_strfreev(parts); @@ -2226,7 +2229,7 @@ Object *object_resolve_path_at(Object *parent, const = char *path) =20 Object *object_resolve_type_unambiguous(const char *typename, Error **errp) { - bool ambig; + bool ambig =3D false; Object *o =3D object_resolve_path_type("", typename, &ambig); =20 if (ambig) { --=20 2.45.2.827.g557ae147e6 From nobody Sun Dec 22 05:39:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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b=S2bWwPi2EXR5cE/Xr0L2PcBQGUDuibqA45LMdEfw/zIx3zAR7Sp7O+MqJJBggBLGAB8D+j +Dea8QgEaCEKnUvctJl7ZKjKzRZ8irlZ3cqtk6FoYl+XhRjf1HD8UlBScNf8BHQbjeykUz ONJyQE8Cf2Bng2IbpacMkPPTTCnssjQ= X-MC-Unique: DoKYG8gtPk2UG7eGpRIblg-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz , Christian Schoenebeck , Fam Zheng , Song Gao , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierrick Bouvier , Mahmoud Mandour , qemu-block@nongnu.org, Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Gerd Hoffmann , Bin Meng , Fabiano Rosas , Eric Blake , Hyman Huang , Kevin Wolf , Stefano Garzarella , "Michael S. Tsirkin" , Alexandre Iooss , Marcel Apfelbaum , John Snow , Eduardo Habkost , Jesper Devantier , Peter Xu , Stefan Hajnoczi , Klaus Jensen , Keith Busch , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Yuval Shaia , Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 22/22] fsdep/9p: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:57 +0400 Message-ID: <20240930081458.1926382-23-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727684540703116600 From: Marc-Andr=C3=A9 Lureau ../fsdev/9p-iov-marshal.c:93:23: error: =E2=80=98val=E2=80=99 may be used u= ninitialized [-Werror=3Dmaybe-uninitialized] and similar Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Christian Schoenebeck --- fsdev/9p-iov-marshal.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fsdev/9p-iov-marshal.c b/fsdev/9p-iov-marshal.c index a1c9beddd2..75fb87a490 100644 --- a/fsdev/9p-iov-marshal.c +++ b/fsdev/9p-iov-marshal.c @@ -84,7 +84,7 @@ ssize_t v9fs_iov_vunmarshal(struct iovec *out_sg, int out= _num, size_t offset, break; } case 'w': { - uint16_t val, *valp; + uint16_t val =3D 0, *valp; valp =3D va_arg(ap, uint16_t *); copied =3D v9fs_unpack(&val, out_sg, out_num, offset, sizeof(v= al)); if (bswap) { @@ -95,7 +95,7 @@ ssize_t v9fs_iov_vunmarshal(struct iovec *out_sg, int out= _num, size_t offset, break; } case 'd': { - uint32_t val, *valp; + uint32_t val =3D 0, *valp; valp =3D va_arg(ap, uint32_t *); copied =3D v9fs_unpack(&val, out_sg, out_num, offset, sizeof(v= al)); if (bswap) { @@ -106,7 +106,7 @@ ssize_t v9fs_iov_vunmarshal(struct iovec *out_sg, int o= ut_num, size_t offset, break; } case 'q': { - uint64_t val, *valp; + uint64_t val =3D 0, *valp; valp =3D va_arg(ap, uint64_t *); copied =3D v9fs_unpack(&val, out_sg, out_num, offset, sizeof(v= al)); if (bswap) { --=20 2.45.2.827.g557ae147e6