nilfs2: add missing error code in comment of nilfs_search_super_root

nilfs_search_super_root can return -ENOMEM, but this error code is not
described in its kernel-doc comment.  This fixes the discrepancy.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index f5d9c3f954ae..83e3d8c61a01 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -804,6 +804,8 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
  * %-EINVAL - No valid segment found
  *
  * %-EIO - I/O error
+ *
+ * %-ENOMEM - Insufficient memory available.
  */
 int nilfs_search_super_root(struct the_nilfs *nilfs,
                             struct nilfs_recovery_info *ri)