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-rw-r--r--linux-core/drm_bo.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 7439e27d..2b960c75 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -373,11 +373,13 @@ static void drm_bo_base_deref_locked(drm_file_t * priv, drm_user_object_t * uo)
static void drm_bo_usage_deref_unlocked(drm_buffer_object_t * bo)
{
+ drm_device_t *dev = bo->dev;
+
if (atomic_dec_and_test(&bo->usage)) {
- mutex_lock(&bo->dev->struct_mutex);
+ mutex_lock(&dev->struct_mutex);
if (atomic_read(&bo->usage) == 0)
drm_bo_destroy_locked(bo);
- mutex_unlock(&bo->dev->struct_mutex);
+ mutex_unlock(&dev->struct_mutex);
}
}