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ext4: fix miss release buffer head in ext4_fc_write_inode

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commit ccbf8eeb39 upstream.

In 'ext4_fc_write_inode' function first call 'ext4_get_inode_loc' get 'iloc',
after use it miss release 'iloc.bh'.
So just release 'iloc.bh' before 'ext4_fc_write_inode' return.

Cc: stable@kernel.org
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220914100859.1415196-1-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ye Bin 2022-09-14 18:08:59 +08:00 committed by Greg Kroah-Hartman
parent d29fa1ab4e
commit ef1607c991
1 changed files with 9 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
fs/ext4/fast_commit.c
View file

@ -794,22 +794,25 @@ static int ext4_fc_write_inode(struct inode *inode, u32 *crc)
tl.fc_tag = cpu_to_le16(EXT4_FC_TAG_INODE);
tl.fc_len = cpu_to_le16(inode_len + sizeof(fc_inode.fc_ino));
ret = -ECANCELED;
dst = ext4_fc_reserve_space(inode->i_sb,
sizeof(tl) + inode_len + sizeof(fc_inode.fc_ino), crc);
if (!dst)
return -ECANCELED;
goto err;
if (!ext4_fc_memcpy(inode->i_sb, dst, &tl, sizeof(tl), crc))
return -ECANCELED;
goto err;
dst += sizeof(tl);
if (!ext4_fc_memcpy(inode->i_sb, dst, &fc_inode, sizeof(fc_inode), crc))
return -ECANCELED;
goto err;
dst += sizeof(fc_inode);
if (!ext4_fc_memcpy(inode->i_sb, dst, (u8 *)ext4_raw_inode(&iloc),
inode_len, crc))
return -ECANCELED;
return 0;
goto err;
ret = 0;
err:
brelse(iloc.bh);
return ret;
}
/*