Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
---
intel/intel_bufmgr_gem.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index 1e2dd77..bf6745d 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -1157,7 +1157,8 @@ static void drm_intel_gem_bo_unreference(drm_intel_bo *bo)
drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo;
assert(atomic_read(&bo_gem->refcount) > 0);
- if (atomic_dec_and_test(&bo_gem->refcount)) {
+
+ if (atomic_add_unless(&bo_gem->refcount, -1, 1)) {
drm_intel_bufmgr_gem *bufmgr_gem =
(drm_intel_bufmgr_gem *) bo->bufmgr;
struct timespec time;
@@ -1165,8 +1166,12 @@ static void drm_intel_gem_bo_unreference(drm_intel_bo *bo)
clock_gettime(CLOCK_MONOTONIC, &time);
pthread_mutex_lock(&bufmgr_gem->lock);
- drm_intel_gem_bo_unreference_final(bo, time.tv_sec);
- drm_intel_gem_cleanup_bo_cache(bufmgr_gem, time.tv_sec);
+
+ if (atomic_dec_and_test(&bo_gem->refcount)) {
+ drm_intel_gem_bo_unreference_final(bo, time.tv_sec);
+ drm_intel_gem_cleanup_bo_cache(bufmgr_gem, time.tv_sec);
+ }
+
pthread_mutex_unlock(&bufmgr_gem->lock);
}
}
--
2.0.1
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