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Commit c877cdce authored by Dan Carpenter's avatar Dan Carpenter Committed by Chris Wilson
Browse files

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: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
parent 9927a403

drivers/gpu/drm/i915/i915_gem.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

		}

	}