From nobody Wed Oct 23 00:34:20 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=1727183169; cv=none; d=zohomail.com; s=zohoarc; b=df93QspTuFuLYIYx/pL7TML4RMXT0Bm+4qFyy04f+PkQ5gonY+hhBVNOOj11gqXNousP0uTsrzzK8PC2tHzdtUOGMKzQ4nnsmWb+pkHiwBeBojHfP5diAIge/qlRvstOke5RkuC+00AlPh4s9/oEPFlwMBgutrSdZVjG695iREY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727183169; 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=TbV9ZakF44C4gPu/dzMAxSKaBPNMHPS3TqhrfNh0O0w=; b=F5MM3Bc7nZl2amyIMX4FQFbnYG64ExzFhdVkjH2H3BHwn14ov/gslib1aqM0Go9mJDA+UKuo7Z59eKCAqHjiMBsLVKwn67i0usYTBbLYQuh1dEg2IKtAfTzvr3+vWI/c/Dq7r/zIKqx+mjPkdtLNgmXmdE7S8NjvNfHXLSi6n78= 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 1727183169869566.5332014620355; Tue, 24 Sep 2024 06:06:09 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1st5Dc-0003vK-JY; Tue, 24 Sep 2024 09:04:40 -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 1st5Da-0003ie-OM for qemu-devel@nongnu.org; Tue, 24 Sep 2024 09:04:38 -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 1st5DZ-000080-6Y for qemu-devel@nongnu.org; Tue, 24 Sep 2024 09:04:38 -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-623-zgH54WJ5Mgi6sUCnCjq_Rg-1; Tue, 24 Sep 2024 09:03:28 -0400 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.4]) (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 5270518EBF15; Tue, 24 Sep 2024 13:03:25 +0000 (UTC) Received: from localhost (unknown [10.39.208.3]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 917E830001A1; Tue, 24 Sep 2024 13:03:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727183076; 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=TbV9ZakF44C4gPu/dzMAxSKaBPNMHPS3TqhrfNh0O0w=; b=U3F3/by7eQxW+C/fcmN+YxibLEsvpkNAG+6ZnAbhHRWyak94eg8CVb8cXTpN1PqmmXA3T5 L1VyTAccEHGJ3cM2PxnjZRU7JkJajLQZTNm2D5U4axu/PIHe5+6uV78m2vUA6jDrsS0mTx auUvFBO8g99T7pm/gg3DvenbqVWCA+0= X-MC-Unique: zgH54WJ5Mgi6sUCnCjq_Rg-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Hanna Reitz , Greg Kurz , Paolo Bonzini , Klaus Jensen , Stefano Garzarella , Alexandre Iooss , Eric Blake , John Snow , Pierrick Bouvier , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fam Zheng , "Michael S. Tsirkin" , Keith Busch , Hyman Huang , Laurent Vivier , Fabiano Rosas , Christian Schoenebeck , Stefan Hajnoczi , Mahmoud Mandour , Jesper Devantier , Peter Xu , Gerd Hoffmann , Bin Meng , Song Gao , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Yuval Shaia , Kevin Wolf , Eduardo Habkost , qemu-block@nongnu.org, Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v2 08/22] hw/ahci: fix -Werror=maybe-uninitialized false-positive Date: Tue, 24 Sep 2024 17:02:07 +0400 Message-ID: <20240924130222.748369-9-marcandre.lureau@redhat.com> In-Reply-To: <20240924130222.748369-1-marcandre.lureau@redhat.com> References: <20240924130222.748369-1-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=-0.09, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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: 1727183171127116600 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 --- 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..d700986c39 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 -1; + 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