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
This commit is contained in:
Dan Carpenter 2010-06-23 19:03:01 +02:00 committed by Chris Wilson
parent 9927a403ca
commit c877cdce93

View File

@ -3588,6 +3588,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (ret != 0) {
DRM_ERROR("copy %d cliprects failed: %d\n",
args->num_cliprects, ret);
ret = -EFAULT;
goto pre_mutex_err;
}
}