free-bh-when-descriptor-block-checksum-fails

   1 jbd2: free bh when descriptor block checksum fails
   2
   3 From: "Darrick J. Wong" <darrick.wong@oracle.com>
   4
   5 Free the buffer head if the journal descriptor block fails checksum
   6 verification.
   7
   8 This is the jbd2 port of the e2fsprogs patch "e2fsck: free bh on csum
   9 verify error in do_one_pass".
  10
  11 Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
  12 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
  13 Reviewed-by: Eric Sandeen <sandeen@redhat.com>
  14 Cc: stable@vger.kernel.org
  15 ---
  16  fs/jbd2/recovery.c |    1 +
  17  1 file changed, 1 insertion(+)
  18
  19
  20 diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
  21 index 9b329b5..bcbef08 100644
  22 --- a/fs/jbd2/recovery.c
  23 +++ b/fs/jbd2/recovery.c
  24 @@ -525,6 +525,7 @@ static int do_one_pass(journal_t *journal,
  25                             !jbd2_descr_block_csum_verify(journal,
  26                                                           bh->b_data)) {
  27                                 err = -EIO;
  28 +                               brelse(bh);
  29                                 goto failed;
  30                         }
  31
  32
  33