diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c
index 82e0ca4..7aa4d7b 100644
--- a/drivers/dma-buf/sw_sync.c
+++ b/drivers/dma-buf/sw_sync.c
@@ -84,7 +84,7 @@ static inline struct sync_pt *dma_fence_to_sync_pt(struct dma_fence *fence)
  * Creates a new sync_timeline. Returns the sync_timeline object or NULL in
  * case of error.
  */
-struct sync_timeline *sync_timeline_create(const char *name)
+static struct sync_timeline *sync_timeline_create(const char *name)
 {
 	struct sync_timeline *obj;