linux-kernel - [PATCH 30/52] ext4: Add missing unlock to an error path in ext4_quota

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Date:	Sat,  5 Jul 2008 13:35:56 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	Linux Kernel Developers List <linux-kernel@...r.kernel.org>
Cc:	Jan Kara <jack@...e.cz>, Mingming Cao <cmm@...ibm.com>,
	"Theodore Ts'o" <tytso@....edu>
Subject: [PATCH 30/52] ext4: Add missing unlock to an error path in ext4_quota_write()

From: Jan Kara <jack@...e.cz>

Add missing unlock of i_mutex in the error path of ext4_quota_write().

Signed-off-by: Jan Kara <jack@...e.cz>
Signed-off-by: Mingming Cao <cmm@...ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@....edu>
---
 fs/ext4/super.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e239af3..1b330cd 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3390,8 +3390,10 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
 		blk++;
 	}
 out:
-	if (len == towrite)
+	if (len == towrite) {
+		mutex_unlock(&inode->i_mutex);
 		return err;
+	}
 	if (inode->i_size < off+len-towrite) {
 		i_size_write(inode, off+len-towrite);
 		EXT4_I(inode)->i_disksize = inode->i_size;
-- 
1.5.6.rc3.1.g36b7.dirty

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