bh was not released after error in ext4_journal_get_write_access()
Fixes ac27a0ec112a ("ext4: initial copy of files from ext3") # 2.6.19
Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
---
fs/ext4/resize.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 7131f35b62d9..3df326ee6d50 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1121,8 +1121,10 @@ static void update_backups(struct super_block *sb, sector_t blk_off, char *data,
backup_block, backup_block -
ext4_group_first_block_no(sb, group));
BUFFER_TRACE(bh, "get_write_access");
- if ((err = ext4_journal_get_write_access(handle, bh)))
+ if ((err = ext4_journal_get_write_access(handle, bh))) {
+ brelse(bh);
break;
+ }
lock_buffer(bh);
memcpy(bh->b_data, data, size);
if (rest)
--
2.17.1
