Embarrassingly while fixing up the old paths for i915 I managed to
misplace a locking check for the new _unlocked paths. That's what I
get for not retesting on radeon.
Fixes: 9f0ba539d13a ("drm/gem: support BO freeing without dev->struct_mutex")
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Alex Deucher <alexdeucher@xxxxxxxxx>
Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Tested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
drivers/gpu/drm/drm_gem.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 973eb8805ce0..f716308fb48c 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -804,12 +804,13 @@ drm_gem_object_free(struct kref *kref)
container_of(kref, struct drm_gem_object, refcount);
struct drm_device *dev = obj->dev;
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
-
- if (dev->driver->gem_free_object_unlocked)
+ if (dev->driver->gem_free_object_unlocked) {
dev->driver->gem_free_object_unlocked(obj);
- else if (dev->driver->gem_free_object)
+ } else if (dev->driver->gem_free_object) {
+ WARN_ON(!mutex_is_locked(&dev->struct_mutex));
+
dev->driver->gem_free_object(obj);
+ }
}
EXPORT_SYMBOL(drm_gem_object_free);
--
2.8.1
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