diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
index fdf9d9f12aac..07b866afee54 100644
--- a/drivers/android/binder_alloc.c
+++ b/drivers/android/binder_alloc.c
@@ -327,11 +327,12 @@ err_no_vma:
 	return vma ? -ENOMEM : -ESRCH;
 }
 
-struct binder_buffer *binder_alloc_new_buf_locked(struct binder_alloc *alloc,
-						  size_t data_size,
-						  size_t offsets_size,
-						  size_t extra_buffers_size,
-						  int is_async)
+static struct binder_buffer *binder_alloc_new_buf_locked(
+				struct binder_alloc *alloc,
+				size_t data_size,
+				size_t offsets_size,
+				size_t extra_buffers_size,
+				int is_async)
 {
 	struct rb_node *n = alloc->free_buffers.rb_node;
 	struct binder_buffer *buffer;