binder: fix comment on binder_alloc_new_buf() return value

commit e1090371e02b601cbfcea175c2a6cc7c955fa830 upstream.

Update the comments of binder_alloc_new_buf() to reflect that the return
value of the function is now ERR_PTR(-errno) on failure.

No functional changes in this patch.

Cc: stable@vger.kernel.org
Fixes: 57ada2fb2250 ("binder: add log information for binder transaction failures")
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20231201172212.1813387-8-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
index 89a598f..5e2505f 100644 (file)
--- a/drivers/android/binder_alloc.c
+++ b/drivers/android/binder_alloc.c
@@ -557,7 +557,7 @@ 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,