[Intel-gfx] A couple of nice little bugs.

[Owain Ainsworth]

Sorry, not a git patch due to busyness.

Actually return failure when we fail to allocate cliprects.

-0-

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 6a17c60..3afe361 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -737,8 +737,10 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 	if (cmdbuf->num_cliprects) {
 		cliprects = kcalloc(cmdbuf->num_cliprects,
 				    sizeof(struct drm_clip_rect), GFP_KERNEL);
-		if (cliprects == NULL)
+		if (cliprects == NULL) {
+			ret = -ENOMEM;
 			goto fail_batch_free;
+		}
 
 		ret = copy_from_user(cliprects, cmdbuf->cliprects,
 				     cmdbuf->num_cliprects *
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ddea92c..b88be0b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3699,8 +3699,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 	if (args->num_cliprects != 0) {
 		cliprects = kcalloc(args->num_cliprects, sizeof(*cliprects),
 				    GFP_KERNEL);
-		if (cliprects == NULL)
+		if (cliprects == NULL) {
+			ret = -ENOMEM;
 			goto pre_mutex_err;
+		}
 
 		ret = copy_from_user(cliprects,
 				     (struct drm_clip_rect __user *)