linux-kernel - [PATCH] JBD/JBD2: free j_wbuf if journal init fails.

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Date:	Tue, 10 Nov 2009 17:13:22 +0800
From:	Tao Ma <tao.ma@...cle.com>
To:	linux-kernel@...r.kernel.org
Cc:	sunil.mushran@...cle.com, Tao Ma <tao.ma@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Kara <jack@...e.cz>
Subject: [PATCH] JBD/JBD2: free j_wbuf if journal init fails.

If journal init fails, we need to free j_wbuf.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Jan Kara <jack@...e.cz>
Signed-off-by: Tao Ma <tao.ma@...cle.com>
---
 fs/jbd/journal.c  |    2 ++
 fs/jbd2/journal.c |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index bd3c073..49d5cd6 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -756,6 +756,7 @@ journal_t * journal_init_dev(struct block_device *bdev,
 
 	return journal;
 out_err:
+	kfree(journal->j_wbuf);
 	kfree(journal);
 	return NULL;
 }
@@ -820,6 +821,7 @@ journal_t * journal_init_inode (struct inode *inode)
 
 	return journal;
 out_err:
+	kfree(journal->j_wbuf);
 	kfree(journal);
 	return NULL;
 }
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index b0ab521..fed8538 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -913,6 +913,7 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev,
 
 	return journal;
 out_err:
+	kfree(journal->j_wbuf);
 	jbd2_stats_proc_exit(journal);
 	kfree(journal);
 	return NULL;
@@ -986,6 +987,7 @@ journal_t * jbd2_journal_init_inode (struct inode *inode)
 
 	return journal;
 out_err:
+	kfree(journal->j_wbuf);
 	jbd2_stats_proc_exit(journal);
 	kfree(journal);
 	return NULL;
-- 
1.5.4.4

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