ext4: fix possible inode leak in the retry loop of ext4_resize_fs()

commit db6aee62406d9fbb53315fcddd81f1dc271d49fa upstream.

Fixes: 1c6bd7173d66 ("ext4: convert file system to meta_bg if needed ...")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 3.7
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 3df326ee6d506328ac3379b644c7202f19bd43bf..b5d3aca0ed7a254fd3bbc9a0c973e2d8aee5d115 100644 (file)
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -2058,6 +2058,10 @@ retry:
                n_blocks_count_retry = 0;
                free_flex_gd(flex_gd);
                flex_gd = NULL;
+               if (resize_inode) {
+                       iput(resize_inode);
+                       resize_inode = NULL;
+               }
                goto retry;
        }