From patchwork Wed Oct 11 01:59:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ronnie Sahlberg X-Patchwork-Id: 9998431 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1DDB160216 for ; Wed, 11 Oct 2017 01:59:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0EF2428856 for ; Wed, 11 Oct 2017 01:59:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 03CB92885B; Wed, 11 Oct 2017 01:59:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B136B28856 for ; Wed, 11 Oct 2017 01:59:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754231AbdJKB7x (ORCPT ); Tue, 10 Oct 2017 21:59:53 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48994 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751952AbdJKB7x (ORCPT ); Tue, 10 Oct 2017 21:59:53 -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 CE1C04DD4B; Wed, 11 Oct 2017 01:59:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com CE1C04DD4B Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.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 F369918145; Wed, 11 Oct 2017 01:59:51 +0000 (UTC) From: Ronnie Sahlberg To: linux-cifs Cc: Steve French Subject: [PATCH 04/12] cifs: initialize rsp_iov in SMB2_query_info Date: Wed, 11 Oct 2017 12:59:19 +1100 Message-Id: <20171011015927.7669-5-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 [10.5.110.38]); Wed, 11 Oct 2017 01:59:53 +0000 (UTC) Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 acadbdbfc8cb..97dc913b8dd7 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2170,9 +2170,9 @@ query_info(const unsigned int xid, struct cifs_tcon *tcon, u32 *dlen) { struct smb2_query_info_req *req; - struct smb2_query_info_rsp *rsp = NULL; + struct smb2_query_info_rsp *rsp; struct kvec iov[2]; - struct kvec rsp_iov; + struct kvec rsp_iov = { NULL, 0 }; int rc = 0; int resp_buftype; struct cifs_ses *ses = tcon->ses;