summaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-08-15 00:02:36 +0200
committerDave Airlie <airlied@redhat.com>2013-08-19 10:47:37 +1000
commit1216f732379151cd581444e385a8266d0b54549d (patch)
tree4bb20e8000b08255a46f9be345f00099eb6d333d /drivers/gpu
parent6bc505b86ae9d4ab45464e3e3c0ab8992d6a5aff (diff)
drm/gem: WARN about unbalanced handle refcounts
Trying to drop a reference we don't have is a pretty serious bug. Trying to paper over it is an even worse offense. So scream into dmesg with a big WARN in case that ever happens. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/drm_gem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 44978bcf8125..dcbd2f559e39 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -238,7 +238,7 @@ static void drm_gem_object_handle_free(struct drm_gem_object *obj)
void
drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
{
- if (atomic_read(&obj->handle_count) == 0)
+ if (WARN_ON(atomic_read(&obj->handle_count) == 0))
return;
/*