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-rw-r--r--drivers/gpu/drm/i915/i915_sw_fence.c2
-rw-r--r--drivers/gpu/drm/i915/i915_sw_fence.h6
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
index ae984c66c48a..6fc0d1b89690 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -241,8 +241,6 @@ void __i915_sw_fence_init(struct i915_sw_fence *fence,
const char *name,
struct lock_class_key *key)
{
- BUG_ON(!fn);
-
__init_waitqueue_head(&fence->wait, name, key);
fence->fn = fn;
#ifdef CONFIG_DRM_I915_SW_FENCE_CHECK_DAG
diff --git a/drivers/gpu/drm/i915/i915_sw_fence.h b/drivers/gpu/drm/i915/i915_sw_fence.h
index a7c603bc1b01..619fc5a22f0c 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.h
+++ b/drivers/gpu/drm/i915/i915_sw_fence.h
@@ -48,11 +48,15 @@ void __i915_sw_fence_init(struct i915_sw_fence *fence,
do { \
static struct lock_class_key __key; \
\
+ BUILD_BUG_ON((fn) == NULL); \
__i915_sw_fence_init((fence), (fn), #fence, &__key); \
} while (0)
#else
#define i915_sw_fence_init(fence, fn) \
- __i915_sw_fence_init((fence), (fn), NULL, NULL)
+do { \
+ BUILD_BUG_ON((fn) == NULL); \
+ __i915_sw_fence_init((fence), (fn), NULL, NULL); \
+} while (0)
#endif
void i915_sw_fence_reinit(struct i915_sw_fence *fence);