From 1ccc9147f6a063c42fef67acff34de18435a4a6b Mon Sep 17 00:00:00 2001
From: Al Viro <viro@ftp.linux.org.uk>
Date: Sun, 14 Oct 2007 19:34:40 +0100
Subject: [PATCH] fw-cdev __user annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/firewire/fw-cdev.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c
index 75388641a7d..06471302200 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) {
--
2.25.4