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fw-cdev __user annotations
author
Al Viro
<viro@ftp.linux.org.uk>
Sun, 14 Oct 2007 18:34:40 +0000
(19:34 +0100)
committer
Linus Torvalds
<torvalds@woody.linux-foundation.org>
Sun, 14 Oct 2007 19:41:51 +0000
(12:41 -0700)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/firewire/fw-cdev.c
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diff --git
a/drivers/firewire/fw-cdev.c
b/drivers/firewire/fw-cdev.c
index
7538864
..
0647130
100644
(file)
--- 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) {