From: Ding Dinghua <dingdinghua@nrchpc.ac.cn>
Date: Thu, 26 May 2011 02:29:01 +0000 (+0800)
Subject: jbd: fix a bug of leaking jh->b_jcount
X-Git-Tag: firefly_0821_release~3680^2~4916^2~15
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bd5c9e1854e13d0c62a3de29a5fbc15dd6a4d8c6;p=firefly-linux-kernel-4.4.55.git

jbd: fix a bug of leaking jh->b_jcount

journal_get_create_access should drop jh->b_jcount in error handling path

Signed-off-by: Ding Dinghua <dingdinghua@nrchpc.ac.cn>
Signed-off-by: Jan Kara <jack@suse.cz>
---

diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 83a661890868..dc39efd05d54 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -844,8 +844,8 @@ int journal_get_create_access(handle_t *handle, struct buffer_head *bh)
 	 */
 	JBUFFER_TRACE(jh, "cancelling revoke");
 	journal_cancel_revoke(handle, jh);
-	journal_put_journal_head(jh);
 out:
+	journal_put_journal_head(jh);
 	return err;
 }