From: Ding Dinghua <dingdinghua@nrchpc.ac.cn>
Date: Wed, 25 May 2011 21:43:48 +0000 (-0400)
Subject: jbd2: fix a potential leak of a journal_head on an error path
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3991b4008cb12f3abfe8dbb049b03d1cc39a8440;p=openwrt%2Fstaging%2Fblogic.git

jbd2: fix a potential leak of a journal_head on an error path

drop jh->b_jcount in error path

Signed-off-by: Ding Dinghua <dingdinghua@nrchpc.ac.cn>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 9dfdf010f1df..3eec82d32fd4 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -922,8 +922,8 @@ int jbd2_journal_get_create_access(handle_t *handle, struct buffer_head *bh)
 	 */
 	JBUFFER_TRACE(jh, "cancelling revoke");
 	jbd2_journal_cancel_revoke(handle, jh);
-	jbd2_journal_put_journal_head(jh);
 out:
+	jbd2_journal_put_journal_head(jh);
 	return err;
 }