diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
index 2ae3814040de..282f4fe3c554 100644
--- a/drivers/android/binder_alloc.c
+++ b/drivers/android/binder_alloc.c
@@ -515,7 +515,7 @@ err_alloc_buf_struct_failed:
  * 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,