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authorNamjae Jeon <namjae.jeon@samsung.com>2012-10-10 00:08:56 +0900
committerPaul Gortmaker <paul.gortmaker@windriver.com>2014-02-10 16:11:32 -0500
commit3cb827b381dc2aace21720eaef0dee832f3ffd46 (patch)
tree3f2599f57ff06af61363f788a782c353cfc19481
parentc6577c482cfa98c8171c99d48606edf83736f150 (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: Paul Gortmaker <paul.gortmaker@windriver.com>
-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 8a3fbd177ca..fe64cf54b11 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -654,6 +654,8 @@ 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;
}
@@ -684,6 +686,8 @@ 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);