From nobody Mon Feb 9 12:09:58 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1625570761495734.1865547170967; Tue, 6 Jul 2021 04:26:01 -0700 (PDT) Received: from localhost ([::1]:60322 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m0jDE-00068G-AG for importer@patchew.org; Tue, 06 Jul 2021 07:26:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60376) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m0jBW-0003Lo-NG for qemu-devel@nongnu.org; Tue, 06 Jul 2021 07:24:14 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:50899) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m0jBO-0000hQ-AU for qemu-devel@nongnu.org; Tue, 06 Jul 2021 07:24:14 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-433-zo17VrccPeimnrBFeHkODw-1; Tue, 06 Jul 2021 07:24:04 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C760F193F568; Tue, 6 Jul 2021 11:23:47 +0000 (UTC) Received: from merkur.redhat.com (ovpn-113-253.ams2.redhat.com [10.36.113.253]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8888360CC9; Tue, 6 Jul 2021 11:23:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1625570645; 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=Y09AgW3opNoxOB+wgC79ShDM6m6z7IyBXNTolDQl6aU=; b=bNNhExs0TfQqHQdlow8sQ4qpJPfQ7J8pV0zklODxWLs2c5nn5t0LMrBtzs8U63R9pef5Jn 70dIPD54L96KqwN2yY3ctcy0TKXbAbFfmwf1VT6ZXCXRv84rouu27ulTx7/cxQoHAjw2tF FZt0bZknBDiRHB2W1DPaGsaUC65VfVs= X-MC-Unique: zo17VrccPeimnrBFeHkODw-1 From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH v5 2/6] block: Add bdrv_reopen_queue_free() Date: Tue, 6 Jul 2021 13:23:36 +0200 Message-Id: <20210706112340.223334-3-kwolf@redhat.com> In-Reply-To: <20210706112340.223334-1-kwolf@redhat.com> References: <20210706112340.223334-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kwolf@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable 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=216.205.24.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.442, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, vsementsov@virtuozzo.com, berto@igalia.com, qemu-devel@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1625570762537100003 Content-Type: text/plain; charset="utf-8" From: Alberto Garcia Move the code to free a BlockReopenQueue to a separate function. It will be used in a subsequent patch. [ kwolf: Also free explicit_options and options, and explicitly qobject_ref() the value when it continues to be used. This avoids memory leaks as we saw them in two recent patches. ] Signed-off-by: Alberto Garcia Signed-off-by: Kevin Wolf Reviewed-by: Vladimir Sementsov-Ogievskiy --- include/block/block.h | 1 + block.c | 22 ++++++++++++++++------ 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/include/block/block.h b/include/block/block.h index 7ec77ecb1a..6d42992985 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -386,6 +386,7 @@ BlockDriverState *bdrv_new_open_driver(BlockDriver *drv= , const char *node_name, BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue *bs_queue, BlockDriverState *bs, QDict *options, bool keep_old_opts); +void bdrv_reopen_queue_free(BlockReopenQueue *bs_queue); int bdrv_reopen_multiple(BlockReopenQueue *bs_queue, Error **errp); int bdrv_reopen_set_read_only(BlockDriverState *bs, bool read_only, Error **errp); diff --git a/block.c b/block.c index acd35cb0cb..ee9b46e95e 100644 --- a/block.c +++ b/block.c @@ -4095,6 +4095,19 @@ BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue= *bs_queue, NULL, 0, keep_old_opts); } =20 +void bdrv_reopen_queue_free(BlockReopenQueue *bs_queue) +{ + if (bs_queue) { + BlockReopenQueueEntry *bs_entry, *next; + QTAILQ_FOREACH_SAFE(bs_entry, bs_queue, entry, next) { + qobject_unref(bs_entry->state.explicit_options); + qobject_unref(bs_entry->state.options); + g_free(bs_entry); + } + g_free(bs_queue); + } +} + /* * Reopen multiple BlockDriverStates atomically & transactionally. * @@ -4197,15 +4210,10 @@ abort: if (bs_entry->prepared) { bdrv_reopen_abort(&bs_entry->state); } - qobject_unref(bs_entry->state.explicit_options); - qobject_unref(bs_entry->state.options); } =20 cleanup: - QTAILQ_FOREACH_SAFE(bs_entry, bs_queue, entry, next) { - g_free(bs_entry); - } - g_free(bs_queue); + bdrv_reopen_queue_free(bs_queue); =20 return ret; } @@ -4573,6 +4581,8 @@ static void bdrv_reopen_commit(BDRVReopenState *reope= n_state) /* set BDS specific flags now */ qobject_unref(bs->explicit_options); qobject_unref(bs->options); + qobject_ref(reopen_state->explicit_options); + qobject_ref(reopen_state->options); =20 bs->explicit_options =3D reopen_state->explicit_options; bs->options =3D reopen_state->options; --=20 2.31.1