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ext4: avoid buffer leak on shutdown in ext4_mark_iloc_dirty()

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ext4_mark_iloc_dirty() callers expect that it releases iloc->bh
even if it returns an error.

Fixes: 0db1ff222d40 ("ext4: add shutdown bit and check for it")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 4.11
This commit is contained in:
Vasily Averin 2018-11-06 16:49:50 -05:00 committed by Theodore Ts'o
parent db6aee6240
commit a6758309a0
1 changed files with 3 additions and 2 deletions
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5
fs/ext4/inode.c
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@ -5835,9 +5835,10 @@ int ext4_mark_iloc_dirty(handle_t *handle,
{
int err = 0;
if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) {
put_bh(iloc->bh);
return -EIO;
}
if (IS_I_VERSION(inode))
inode_inc_iversion(inode);