From patchwork Wed Oct 11 01:59:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ronnie Sahlberg X-Patchwork-Id: 824165 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-cifs-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yBccL4kMXz9t5s for ; Wed, 11 Oct 2017 12:59:46 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752751AbdJKB7q (ORCPT ); Tue, 10 Oct 2017 21:59:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55344 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751952AbdJKB7p (ORCPT ); Tue, 10 Oct 2017 21:59:45 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A8F77883AD; Wed, 11 Oct 2017 01:59:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com A8F77883AD Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=lsahlber@redhat.com Received: from test1190.test.redhat.com (vpn2-54-56.bne.redhat.com [10.64.54.56]) by smtp.corp.redhat.com (Postfix) with ESMTP id AEBA018145; Wed, 11 Oct 2017 01:59:44 +0000 (UTC) From: Ronnie Sahlberg To: linux-cifs Cc: Steve French Subject: [PATCH 10/12] cifs: initialize rsp_iov in SMB2_QFS_info Date: Wed, 11 Oct 2017 12:59:25 +1100 Message-Id: <20171011015927.7669-11-lsahlber@redhat.com> In-Reply-To: <20171011015927.7669-1-lsahlber@redhat.com> References: <20171011015927.7669-1-lsahlber@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 11 Oct 2017 01:59:45 +0000 (UTC) Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Or else we might call free_rsp_buf() on an uninitialized pointer if SendReceive2() failed Signed-off-by: Ronnie Sahlberg --- fs/cifs/smb2pdu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 93ecaa050c57..f3cc9dbd6fd4 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3382,9 +3382,9 @@ int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, u64 volatile_fid, struct kstatfs *fsdata) { - struct smb2_query_info_rsp *rsp = NULL; + struct smb2_query_info_rsp *rsp; struct kvec iov; - struct kvec rsp_iov; + struct kvec rsp_iov = { NULL, 0 }; int rc = 0; int resp_buftype; struct cifs_ses *ses = tcon->ses;