From patchwork Wed May 12 14:46:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 436375 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 5A3A5C433B4 for ; Wed, 12 May 2021 16:47:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2695A61177 for ; Wed, 12 May 2021 16:47:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236164AbhELQsC (ORCPT ); Wed, 12 May 2021 12:48:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:36108 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243632AbhELQlt (ORCPT ); Wed, 12 May 2021 12:41:49 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9FF5161E50; Wed, 12 May 2021 16:05:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620835528; bh=MQADYLZj+YBnT+1AdNqgk9CDQ1A79OUfTtfPthMRutM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FGRcoIbY3lV1DbhLGG+kOt0xbhkc2WWVL3rwXdpat/pEH4Z4LvvAFK0AkJCn6RITq YGk8Wfe7X0HXMMMKaiCxeKvBw1Hgk+W27k0VXbVokaPhjGiWiasMWmKClx+zYFuu5N Ol4Wg8rWwMNs1KFrG2uHnllg597+IcYyHjfxjq64= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Himanshu Madhani , Saurav Kashyap , Nilesh Javali , Quinn Tran , Mike Christie , Daniel Wagner , Lee Duncan , Bart Van Assche , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 5.12 373/677] scsi: qla2xxx: Check kzalloc() return value Date: Wed, 12 May 2021 16:46:59 +0200 Message-Id: <20210512144849.719291602@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144837.204217980@linuxfoundation.org> References: <20210512144837.204217980@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Bart Van Assche [ Upstream commit e5406d8ad4a1659f4d4d1b39fe203855c4eaef2d ] Instead of crashing if kzalloc() fails, make qla2x00_get_host_stats() return -ENOMEM. Link: https://lore.kernel.org/r/20210320232359.941-8-bvanassche@acm.org Fixes: dbf1f53cfd23 ("scsi: qla2xxx: Implementation to get and manage host, target stats and initiator port") Cc: Himanshu Madhani Cc: Saurav Kashyap Cc: Nilesh Javali Cc: Quinn Tran Cc: Mike Christie Cc: Daniel Wagner Cc: Lee Duncan Reviewed-by: Daniel Wagner Reviewed-by: Himanshu Madhani Acked-by: Saurav Kashyap Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/qla2xxx/qla_bsg.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index d021e51344f5..aef2f7cc89d3 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -2584,6 +2584,10 @@ qla2x00_get_host_stats(struct bsg_job *bsg_job) } data = kzalloc(response_len, GFP_KERNEL); + if (!data) { + kfree(req_data); + return -ENOMEM; + } ret = qla2xxx_get_ini_stats(fc_bsg_to_shost(bsg_job), req_data->stat_type, data, response_len);