From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755360AbXHQTNx (ORCPT ); Fri, 17 Aug 2007 15:13:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751368AbXHQTNo (ORCPT ); Fri, 17 Aug 2007 15:13:44 -0400 Received: from ug-out-1314.google.com ([66.249.92.169]:61424 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752690AbXHQTNo (ORCPT ); Fri, 17 Aug 2007 15:13:44 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:date:from:to:cc:subject:message-id:mime-version:content-type:content-disposition:user-agent; b=ogtTxzaEhEEPQIt+d9aRrHkirkmIQchTtVEvKp665l9e6x3QXpac8oFeKRQuetjxoLJqgwiykez7RZutBq9yqGKnJ5gvRA5uP9BHa04eQxOXKDQd6CeTmVCEcvKk8D55TDMCrQxsVrLAwYX/357EO93Yr1XNjuJgwqDtKMA/Y0k= Date: Fri, 17 Aug 2007 23:13:29 +0400 From: Cyrill Gorcunov To: Steve French Cc: LKML , Andrew Morton Subject: [PATCH] CIFS: check for granted memory Message-ID: <20070817191329.GA7218@cvg> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This patch adds just a check for granted memory to prevent possible NULL pointer usage. Signed-off-by: Cyrill Gorcunov --- fs/cifs/sess.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 2ea027d..892be9b 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -372,6 +372,10 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, /* 2000 big enough to fit max user, domain, NOS name etc. */ str_area = kmalloc(2000, GFP_KERNEL); + if (str_area == NULL) { + cifs_small_buf_release(smb_buf); + return -ENOMEM; + } bcc_ptr = str_area; ses->flags &= ~CIFS_SES_LANMAN;