From patchwork Wed Sep 7 13:58:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 12969007 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47465C6FA86 for ; Wed, 7 Sep 2022 13:59:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230012AbiIGN7c (ORCPT ); Wed, 7 Sep 2022 09:59:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229932AbiIGN7X (ORCPT ); Wed, 7 Sep 2022 09:59:23 -0400 Received: from mta-01.yadro.com (mta-02.yadro.com [89.207.88.252]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0B9AAE9D7; Wed, 7 Sep 2022 06:59:20 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id 710E1448D0; Wed, 7 Sep 2022 13:59:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received:received; s= mta-01; t=1662559158; x=1664373559; bh=WJoBdbJCs8kiVPAxwZtmevn+w TSMmW6If4jO0R4uAiY=; b=ZgsBCvHnVhGQl7I33ChvZE/9YB15YCeJnmtQr+gOr kT0mYX/x9IWJBJuJjN8Q3XdxzXIxnQP61/CdQHdst+jU++jHWE6Lo9zqxSaLN6S4 5LmFL5TglEzrBjlUkLGaDBTNv8g6fChXqszWGEdPztqI/9TKzc76J/GBxtMVuxyI 4k= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jPVyxQcLykco; Wed, 7 Sep 2022 16:59:18 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (T-EXCH-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 7947144B78; Wed, 7 Sep 2022 16:59:05 +0300 (MSK) Received: from T-EXCH-08.corp.yadro.com (172.17.11.58) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Wed, 7 Sep 2022 16:59:05 +0300 Received: from NB-591.corp.yadro.com (10.199.18.20) by T-EXCH-08.corp.yadro.com (172.17.11.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.1118.9; Wed, 7 Sep 2022 16:59:04 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: , , Dmitry Bogdanov Subject: [PATCH 2/4] target: core: fix memory leak in preempt_and_abort Date: Wed, 7 Sep 2022 16:58:49 +0300 Message-ID: <20220907135851.3756-3-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220907135851.3756-1-d.bogdanov@yadro.com> References: <20220907135851.3756-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.18.20] X-ClientProxiedBy: T-EXCH-02.corp.yadro.com (172.17.10.102) To T-EXCH-08.corp.yadro.com (172.17.11.58) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Always release preempt_and_abort_list to avoid memory leak of t10_pr_registration objects in it. Signed-off-by: Dmitry Bogdanov --- drivers/target/target_core_pr.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 738ee7137462..24441427f7b4 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -2956,13 +2956,14 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key, __core_scsi3_complete_pro_preempt(dev, pr_reg_n, (preempt_type == PREEMPT_AND_ABORT) ? &preempt_and_abort_list : NULL, type, scope, preempt_type); - - if (preempt_type == PREEMPT_AND_ABORT) - core_scsi3_release_preempt_and_abort( - &preempt_and_abort_list, pr_reg_n); } + spin_unlock(&dev->dev_reservation_lock); + if (preempt_type == PREEMPT_AND_ABORT) + core_scsi3_release_preempt_and_abort( + &preempt_and_abort_list, pr_reg_n); + if (pr_tmpl->pr_aptpl_active) core_scsi3_update_and_write_aptpl(cmd->se_dev, true);