linux-kernel - [PATCH 3.10 064/123] jbd2: free bh when descriptor block checksum fails

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Message-Id: <20141112011721.926145392@linuxfoundation.org>
Date:	Wed, 12 Nov 2014 10:17:10 +0900
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	"Darrick J. Wong" <darrick.wong@...cle.com>,
	Theodore Tso <tytso@....edu>, Eric Sandeen <sandeen@...hat.com>
Subject: [PATCH 3.10 064/123] jbd2: free bh when descriptor block checksum fails

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

------------------

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

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@...cle.com>
Signed-off-by: Theodore Ts'o <tytso@....edu>
Reviewed-by: Eric Sandeen <sandeen@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/jbd2/recovery.c |    1 +
 1 file changed, 1 insertion(+)

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

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