--- drivers/gpu/drm/radeon/radeon_display.c

+++ drivers/gpu/drm/radeon/radeon_display.c

@@ -599,7 +599,11 @@ radeon_user_framebuffer_create(struct dr

struct drm_gem_object *obj;

obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);

-

+ if (obj == NULL) {

+ dev_err(&dev->pdev->dev, "No GEM object associated to handle 0x%08X, "

+ "can't create framebuffer\n", mode_cmd->handle);

+ return NULL;

+ }

return radeon_framebuffer_create(dev, mode_cmd, obj);

}