[PATCH 3.12 117/206] jbd2: free bh when descriptor block checksum fails

From: Jiri Slaby
Date: Tue Nov 18 2014 - 09:51:10 EST


From: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

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@xxxxxxxxxx>
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
fs/jbd2/recovery.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 20dbfabbf874..c4166471ddf0 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -525,6 +525,7 @@ static int do_one_pass(journal_t *journal,
!jbd2_descr_block_csum_verify(journal,
bh->b_data)) {
err = -EIO;
+ brelse(bh);
goto failed;
}

--
2.1.3

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