From patchwork Tue Sep 1 15:10:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 310174 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4085C433E6 for ; Tue, 1 Sep 2020 17:20:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9144C2087D for ; Tue, 1 Sep 2020 17:20:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598980847; bh=Y6ZBqBPEUEaXpKEt9DK8JT4fXyxAw65qwD3fk4ufWy0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LZAQ+SCkn1avx3zW0zLwWkrLBdNcN3EmETLrCWXp5saGsozYOePKTgYeEr1F5VOrm 8swLdGA5MY/ROWA6gO8GWr51HiSrdCQu0JL4GvGIkEZenVZuHUiUkRIUBKTP6CuOIL YBII+DK21UxmcCBGiSrfOIJjfvD5ld0gD2ke5TsQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732669AbgIARUq (ORCPT ); Tue, 1 Sep 2020 13:20:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:57062 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728958AbgIAPNo (ORCPT ); Tue, 1 Sep 2020 11:13:44 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 07E40214D8; Tue, 1 Sep 2020 15:13:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598973224; bh=Y6ZBqBPEUEaXpKEt9DK8JT4fXyxAw65qwD3fk4ufWy0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J/jcHxLb4YgufCTIbuCnYK6qixDalUvJ22cb/Yq1f0hw07/UZThDXt7AYqfY1SvoQ v2uHkVnzM4GAzasfemk/nAN4Gvh7XkvPmTMkEVyyxF+xDA1mD+B+lqfacsmwGOhqlw jls2ZLpvKcXXzRXUwjajf0crABGlqhd4MmdnO/DU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Girish Basrur , Santosh Vernekar , Saurav Kashyap , Shyam Sundar , Javed Hasan , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.4 27/62] scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del() Date: Tue, 1 Sep 2020 17:10:10 +0200 Message-Id: <20200901150922.089105488@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200901150920.697676718@linuxfoundation.org> References: <20200901150920.697676718@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Javed Hasan [ Upstream commit e95b4789ff4380733006836d28e554dc296b2298 ] In fcoe_sysfs_fcf_del(), we first deleted the fcf from the list and then freed it if ctlr_dev was not NULL. This was causing a memory leak. Free the fcf even if ctlr_dev is NULL. Link: https://lore.kernel.org/r/20200729081824.30996-3-jhasan@marvell.com Reviewed-by: Girish Basrur Reviewed-by: Santosh Vernekar Reviewed-by: Saurav Kashyap Reviewed-by: Shyam Sundar Signed-off-by: Javed Hasan Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/fcoe/fcoe_ctlr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c index 3bc610d160f57..53afdbe17d71d 100644 --- a/drivers/scsi/fcoe/fcoe_ctlr.c +++ b/drivers/scsi/fcoe/fcoe_ctlr.c @@ -264,9 +264,9 @@ static void fcoe_sysfs_fcf_del(struct fcoe_fcf *new) WARN_ON(!fcf_dev); new->fcf_dev = NULL; fcoe_fcf_device_delete(fcf_dev); - kfree(new); mutex_unlock(&cdev->lock); } + kfree(new); } /**