From de3ecca3e3d55f2bb3118839a8fd709362d55678 Mon Sep 17 00:00:00 2001
From: Namjae Jeon <namjae.jeon@samsung.com>
Date: Wed, 10 Oct 2012 00:08:56 +0900
Subject: udf: fix memory leak while allocating blocks during write

commit 2fb7d99d0de3fd8ae869f35ab682581d8455887a upstream.

Need to brelse the buffer_head stored in cur_epos and next_epos.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Shuah Khan <shuah.khan@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/udf/inode.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'fs')

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 262050f..31946c5 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -738,6 +738,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
 				goal, err);
 		if (!newblocknum) {
 			brelse(prev_epos.bh);
+			brelse(cur_epos.bh);
+			brelse(next_epos.bh);
 			*err = -ENOSPC;
 			return NULL;
 		}
@@ -768,6 +770,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
 	udf_update_extents(inode, laarr, startnum, endnum, &prev_epos);
 
 	brelse(prev_epos.bh);
+	brelse(cur_epos.bh);
+	brelse(next_epos.bh);
 
 	newblock = udf_get_pblock(inode->i_sb, newblocknum,
 				iinfo->i_location.partitionReferenceNum, 0);
-- 
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