From mboxrd@z Thu Jan 1 00:00:00 1970 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 412EEC43219 for ; Fri, 1 Apr 2022 14:37:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348490AbiDAOiP (ORCPT ); Fri, 1 Apr 2022 10:38:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347798AbiDAOdd (ORCPT ); Fri, 1 Apr 2022 10:33:33 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B581A28788D; Fri, 1 Apr 2022 07:30:42 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 43033B82507; Fri, 1 Apr 2022 14:30:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA61AC36AE3; Fri, 1 Apr 2022 14:30:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648823439; bh=QXdemaWGxPall05wmK517tfbkYG67C2DKNUAs3QRy70=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Gy5uqBS6QC7Q/gMJFmOa86ZEtVvhBpVT9WO5jL5Xo5GicRd117uitmv+Bk2rbT6aU H1HINon6m+lidzS10mOiFHi27Y5LQGT8mo6DebPRdyDO1zVawUbICsSSRBsEaHXhlQ z23H21sILM4oB17+Lu0rXYKNm5VKH5C60Qtz6Pl+gIfSvhrQ33x80Eaw1/ftk753NA hGxetF6j14RDXjTwppxwHz0G2bCkthuFHNUh0ULh+PnTDkleRvfjkCkxEwONUjb8Zd bnw64iVGhYcOXUFdmUYOwlDggXRFB3nHMV8Cl9+4p1fWM61URgbgVYN5h+gNI7jZ1g N6oLTZUAMcRrg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Damien Le Moal , John Garry , "Martin K . Petersen" , Sasha Levin , jinpu.wang@cloud.ionos.com, jejb@linux.ibm.com, linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 5.17 096/149] scsi: pm8001: Fix task leak in pm8001_send_abort_all() Date: Fri, 1 Apr 2022 10:24:43 -0400 Message-Id: <20220401142536.1948161-96-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220401142536.1948161-1-sashal@kernel.org> References: <20220401142536.1948161-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Damien Le Moal [ Upstream commit f90a74892f3acf0cdec5844e90fc8686ca13e7d7 ] In pm8001_send_abort_all(), make sure to free the allocated sas task if pm8001_tag_alloc() or pm8001_mpi_build_cmd() fail. Link: https://lore.kernel.org/r/20220220031810.738362-21-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/pm8001/pm8001_hwi.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index e12b3ea4153a..1cf3878b47f3 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1765,7 +1765,6 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, } task = sas_alloc_slow_task(GFP_ATOMIC); - if (!task) { pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n"); return; @@ -1774,8 +1773,10 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, task->task_done = pm8001_task_done; res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); - if (res) + if (res) { + sas_free_task(task); return; + } ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_ha_dev; @@ -1791,8 +1792,10 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, sizeof(task_abort), 0); - if (ret) + if (ret) { + sas_free_task(task); pm8001_tag_free(pm8001_ha, ccb_tag); + } } -- 2.34.1