i915: return -EFAULT if copy_to_user fails
authorDan Carpenter <error27@gmail.com>
Wed, 23 Jun 2010 17:03:01 +0000 (19:03 +0200)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 6 Sep 2010 22:09:54 +0000 (23:09 +0100)
commitc877cdce93a44eea96f6cf7fc04be7d0372db2be
tree6d14849160a0bfe37f05f3fed41357246a1803a8
parent9927a403ca8c97798129953fa9cbb5dc259c7cb9
i915: return -EFAULT if copy_to_user fails

copy_to_user() returns the number of bytes remaining to be copied and
I'm pretty sure we want to return a negative error code here.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
drivers/gpu/drm/i915/i915_gem.c