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udf: fix memory leak while allocating blocks during write 

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>
This commit is contained in:
Namjae Jeon 2012-10-10 00:08:56 +09:00 committed by Jan Kara
parent 25389bb207
commit 2fb7d99d0d
1 changed files with 4 additions and 0 deletions
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4
fs/udf/inode.c
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@ -765,6 +765,8 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
goal, err); goal, err);
if (!newblocknum) { if (!newblocknum) {
brelse(prev_epos.bh); brelse(prev_epos.bh);
brelse(cur_epos.bh);
brelse(next_epos.bh);
*err = -ENOSPC; *err = -ENOSPC;
return 0; return 0;
} }
@ -795,6 +797,8 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
udf_update_extents(inode, laarr, startnum, endnum, &prev_epos); udf_update_extents(inode, laarr, startnum, endnum, &prev_epos);
brelse(prev_epos.bh); brelse(prev_epos.bh);
brelse(cur_epos.bh);
brelse(next_epos.bh);
newblock = udf_get_pblock(inode->i_sb, newblocknum, newblock = udf_get_pblock(inode->i_sb, newblocknum,
iinfo->i_location.partitionReferenceNum, 0); iinfo->i_location.partitionReferenceNum, 0);