jbd2: free bh when descriptor block checksum fails

commit 064d83892e9ba547f7d4eae22cbca066d95210ce upstream.

Free the buffer head if the journal descriptor block fails checksum
verification.

This is the jbd2 port of the e2fsprogs patch "e2fsck: free bh on csum
verify error in do_one_pass".

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 3bacc1909ddb0d54117777706a6c692bb97053c4..6e2fb5cbacde6cae2d5650bf5891707950e0b82e 100644 (file)
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -522,6 +522,7 @@ static int do_one_pass(journal_t *journal,
                            !jbd2_descr_block_csum_verify(journal,
                                                          bh->b_data)) {
                                err = -EIO;
+                               brelse(bh);
                                goto failed;
                        }