Merge remote-tracking branch 'robster/rob/pointer-fixes'

compositor/compositor.c

@@ -559,6 +559,10 @@ create_pointer_images(struct wlsc_compositor *ec)
 			create_sprite_from_png(ec,
 					       pointer_images[i].filename,
 					       SPRITE_USE_CURSOR);
+		if (!ec->pointer_sprites[i]) {
+			fprintf(stderr, "Error loading pointer image: %s\n",
+				pointer_images[i].filename);
+		}
 	}
 }
 
@@ -1190,6 +1194,9 @@ static void
 wlsc_input_device_attach_sprite(struct wlsc_input_device *device,
 				struct wlsc_sprite *sprite, int x, int y)
 {
+	if (!sprite)
+		return;
+
 	wlsc_sprite_attach(sprite, &device->sprite->surface);
 	wlsc_input_device_attach(device, x, y, sprite->width, sprite->height);
 }