From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758619AbXJNSfI (ORCPT ); Sun, 14 Oct 2007 14:35:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762601AbXJNSem (ORCPT ); Sun, 14 Oct 2007 14:34:42 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:47912 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762537AbXJNSel (ORCPT ); Sun, 14 Oct 2007 14:34:41 -0400 To: torvalds@linux-foundation.org Subject: [PATCH] fw-cdev __user annotations Cc: linux-kernel@vger.kernel.org, stefanr@s5r6.in-berlin.de Message-Id: From: Al Viro Date: Sun, 14 Oct 2007 19:34:40 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Al Viro --- drivers/firewire/fw-cdev.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c index 7538864..0647130 100644 --- a/drivers/firewire/fw-cdev.c +++ b/drivers/firewire/fw-cdev.c @@ -722,10 +722,11 @@ static int ioctl_queue_iso(struct client *client, void *buffer) buffer_end = 0; } - if (!access_ok(VERIFY_READ, request->packets, request->size)) + p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(request->packets); + + if (!access_ok(VERIFY_READ, p, request->size)) return -EFAULT; - p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(request->packets); end = (void __user *)p + request->size; count = 0; while (p < end) { -- 1.5.3.GIT