diff mbox series

[2/2] dma-resv: Fix dma_resv_held

Message ID 20220225174118.1320237-2-tvrtko.ursulin@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series [1/2] drm/i915: Fix assert in i915_ggtt_pin | expand

Commit Message

Tvrtko Ursulin Feb. 25, 2022, 5:41 p.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Avoid false positives if lock state is unknown.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
 include/linux/dma-resv.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h
index afdfdfac729f..f475814c0d7a 100644
--- a/include/linux/dma-resv.h
+++ b/include/linux/dma-resv.h
@@ -278,7 +278,8 @@  static inline bool dma_resv_iter_is_restarted(struct dma_resv_iter *cursor)
 	     fence = dma_resv_iter_first(cursor); fence;	\
 	     fence = dma_resv_iter_next(cursor))
 
-#define dma_resv_held(obj) lockdep_is_held(&(obj)->lock.base)
+#define dma_resv_held(obj) \
+	(lockdep_is_held(&(obj)->lock.base) == LOCK_STATE_HELD)
 #define dma_resv_assert_held(obj) lockdep_assert_held(&(obj)->lock.base)
 
 #ifdef CONFIG_DEBUG_MUTEXES