From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933905Ab1KJF05 (ORCPT ); Thu, 10 Nov 2011 00:26:57 -0500 Received: from cantor2.suse.de ([195.135.220.15]:41702 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933875Ab1KJDVU (ORCPT ); Wed, 9 Nov 2011 22:21:20 -0500 X-Mailbox-Line: From gregkh@clark.kroah.org Wed Nov 9 13:27:00 2011 Message-Id: <20111109212700.403814699@clark.kroah.org> User-Agent: quilt/0.48-16.4 Date: Wed, 09 Nov 2011 13:25:23 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Jeff Layton , Pavel Shilovsky , Steve French Subject: [001/262] CIFS: Fix incorrect max RFC1002 write size value In-Reply-To: <20111109212847.GA20838@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pavel Shilovsky commit 94443f43404239c2a6dc4252a7cb9e77f5b1eb6e upstream. ..the length field has only 17 bits. Acked-by: Jeff Layton Signed-off-by: Pavel Shilovsky Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/cifs/connect.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2767,10 +2767,10 @@ void cifs_setup_cifs_sb(struct smb_vol * /* * When the server doesn't allow large posix writes, only allow a wsize of - * 128k minus the size of the WRITE_AND_X header. That allows for a write up + * 2^17-1 minus the size of the WRITE_AND_X header. That allows for a write up * to the maximum size described by RFC1002. */ -#define CIFS_MAX_RFC1002_WSIZE (128 * 1024 - sizeof(WRITE_REQ) + 4) +#define CIFS_MAX_RFC1002_WSIZE ((1<<17) - 1 - sizeof(WRITE_REQ) + 4) /* * The default wsize is 1M. find_get_pages seems to return a maximum of 256