avoid-possible-double-brelse-in-add_new_gdb-on-error-path

   1 ext4: avoid possible double brelse() in add_new_gdb() on error path
   2
   3 Fixes: b40971426a83 ("ext4: add error checking to calls to ...")
   4 Reported-by: Vasily Averin <vvs@virtuozzo.com>
   5 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
   6 Cc: stable@kernel.org # 2.6.38
   7 ---
   8  fs/ext4/resize.c | 1 +
   9  1 file changed, 1 insertion(+)
  10
  11 diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
  12 index 85158e9de7c2..a5efee34415f 100644
  13 --- a/fs/ext4/resize.c
  14 +++ b/fs/ext4/resize.c
  15 @@ -871,6 +871,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
  16         err = ext4_handle_dirty_metadata(handle, NULL, gdb_bh);
  17         if (unlikely(err)) {
  18                 ext4_std_error(sb, err);
  19 +               iloc.bh = NULL;
  20                 goto exit_inode;
  21         }
  22         brelse(dind);