drm/i915: check the return value from the copy from user
authorDave Airlie <airlied@redhat.com>
Sun, 29 Mar 2009 00:29:48 +0000 (20:29 -0400)
committerDave Airlie <airlied@redhat.com>
Sun, 29 Mar 2009 00:29:48 +0000 (20:29 -0400)
This produced a warning on my build, not sure why super-warning-man didn't
notice this one, its much worse than the %z one.

Signed-off-by: Dave Airlie <airlied@redhat.com>

No differences found