From 5af87acbc2025b9f72d51b30f176e9c3909695ac Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 1 May 2008 14:20:44 -0700 Subject: checkpoint: gtt binding written. --- linux-core/drm_gem.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'linux-core/drm_gem.c') diff --git a/linux-core/drm_gem.c b/linux-core/drm_gem.c index bd51362e..def526f0 100644 --- a/linux-core/drm_gem.c +++ b/linux-core/drm_gem.c @@ -127,7 +127,7 @@ drm_gem_handle_delete(struct drm_device *dev, struct drm_file *filp, } /** Returns a reference to the object named by the handle. */ -static struct drm_gem_object * +struct drm_gem_object * drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp, int handle) { @@ -358,6 +358,9 @@ drm_gem_object_reference(struct drm_device *dev, struct drm_gem_object *obj) void drm_gem_object_unreference(struct drm_device *dev, struct drm_gem_object *obj) { + if (obj == NULL) + return; + spin_lock(&obj->lock); obj->refcount--; spin_unlock(&obj->lock); -- cgit v1.2.3