diff --git a/[refs] b/[refs]
index 29023045d938..438505c4c949 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 39bab87ba6f4d8cce2b70c19e60233ad8030d7b4
+refs/heads/master: 477d7eafa9585ded87ee1c6f69638a6baf9d8922
diff --git a/trunk/fs/btrfs/extent_io.c b/trunk/fs/btrfs/extent_io.c
index 455daec2b6ce..fe91305e12fb 100644
--- a/trunk/fs/btrfs/extent_io.c
+++ b/trunk/fs/btrfs/extent_io.c
@@ -1293,7 +1293,7 @@ struct extent_state *find_first_extent_bit_state(struct extent_io_tree *tree,
  * returned if we find something, and *start_ret and *end_ret are
  * set to reflect the state struct that was found.
  *
- * If nothing was found, 1 is returned, < 0 on error
+ * If nothing was found, 1 is returned. If found something, return 0.
  */
 int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
 			  u64 *start_ret, u64 *end_ret, int bits)