From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965738Ab2E0Bbf (ORCPT ); Sat, 26 May 2012 21:31:35 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:43902 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756567Ab2E0BQN (ORCPT ); Sat, 26 May 2012 21:16:13 -0400 Message-Id: <20120527002513.630212029@linuxfoundation.org> User-Agent: quilt/0.60-19.1 Date: Sun, 27 May 2012 09:25:37 +0900 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, Oliver Neukum Subject: [ 31/91] USB: cdc-wdm: sanitize error returns In-Reply-To: <20120527010903.GA18244@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Oliver Neukum commit 24a85bae5da2b43fed423859c09c5a81ab359473 upstream. wdm_flush() returns unsanitized USB error codes. They must be cleaned up to before being anded to user space Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-wdm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -534,7 +534,7 @@ static int wdm_flush(struct file *file, dev_err(&desc->intf->dev, "Error in flush path: %d\n", desc->werr); - return desc->werr; + return usb_translate_errors(desc->werr); } static unsigned int wdm_poll(struct file *file, struct poll_table_struct *wait)