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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 B54E3C10F04 for ; Fri, 15 Feb 2019 02:18:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7C834206BA for ; Fri, 15 Feb 2019 02:18:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550197133; bh=aIGqLqSjr38y+LNi35vhzZWnAuxfrttykwv8vrF8Qsw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=z/HxLWxvY+LQXnbSYQ7821YRIswDnLtqQuwNfH906NT1tYAuAvQaGi2gcs8rCKE2C 3I3tXEdvJhe+eUANvn/9VdPN1znsrz6ES221XktIui93MSemoMFebXy/V+xiLEjOJi 12Ksx9/6hYQOQSOAju8Y5SIIdvywOva3e+hbvAQo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405888AbfBOCPn (ORCPT ); Thu, 14 Feb 2019 21:15:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:55292 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392032AbfBOCPi (ORCPT ); Thu, 14 Feb 2019 21:15:38 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8677C21B68; Fri, 15 Feb 2019 02:15:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550196937; bh=aIGqLqSjr38y+LNi35vhzZWnAuxfrttykwv8vrF8Qsw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=V76vdMFCTelJynbA5/Jr1CNZJ5Bxf0sB8gXvgNeQvyokWk2UAv/ZRB5Wmghok7a8n 8iDKgTtBEg1A6SDyBTTHi6IMeho48jm1XXBGd23l+VpYJIkeIqrPg+lCAvubd4WquG i44+r6M0QBRQvG8cOOyJ1fkpKA6gFc00cJGzD7Ho= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Varun Prakash , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 13/20] scsi: csiostor: fix NULL pointer dereference in csio_vport_set_state() Date: Thu, 14 Feb 2019 21:15:04 -0500 Message-Id: <20190215021511.179333-13-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190215021511.179333-1-sashal@kernel.org> References: <20190215021511.179333-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Varun Prakash [ Upstream commit fe35a40e675473eb65f2f5462b82770f324b5689 ] Assign fc_vport to ln->fc_vport before calling csio_fcoe_alloc_vnp() to avoid a NULL pointer dereference in csio_vport_set_state(). ln->fc_vport is dereferenced in csio_vport_set_state(). Signed-off-by: Varun Prakash Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/csiostor/csio_attr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/csiostor/csio_attr.c b/drivers/scsi/csiostor/csio_attr.c index 2d1c4ebd40f9..6587f20cff1a 100644 --- a/drivers/scsi/csiostor/csio_attr.c +++ b/drivers/scsi/csiostor/csio_attr.c @@ -582,12 +582,12 @@ csio_vport_create(struct fc_vport *fc_vport, bool disable) } fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING); + ln->fc_vport = fc_vport; if (csio_fcoe_alloc_vnp(hw, ln)) goto error; *(struct csio_lnode **)fc_vport->dd_data = ln; - ln->fc_vport = fc_vport; if (!fc_vport->node_name) fc_vport->node_name = wwn_to_u64(csio_ln_wwnn(ln)); if (!fc_vport->port_name) -- 2.19.1