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authorNamjae Jeon <namjae.jeon@samsung.com>2012-10-10 00:08:56 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-17 08:43:58 -0800
commitde3ecca3e3d55f2bb3118839a8fd709362d55678 (patch)
tree0f025819b4f518945129d0b5fd23f9d27533bfdb
parent39a731949954614cea44b92e80bbb4bb54832785 (diff)
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>
-rw-r--r--fs/udf/inode.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 262050f2eb6..31946c51ed3 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);