diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
index eedf20812d87..ed607850f87f 100644
--- a/drivers/android/binder_alloc.c
+++ b/drivers/android/binder_alloc.c
@@ -557,7 +557,7 @@ static struct binder_buffer *binder_alloc_new_buf_locked(
  * is the sum of the three given sizes (each rounded up to
  * pointer-sized boundary)
  *
- * Return:	The allocated buffer or %NULL if error
+ * Return:	The allocated buffer or %ERR_PTR(-errno) if error
  */
 struct binder_buffer *binder_alloc_new_buf(struct binder_alloc *alloc,
 					   size_t data_size,