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ext4: avoid buffer leak in ext4_orphan_add() after prior errors

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commit feaf264ce7 upstream.

Fixes: d745a8c20c ("ext4: reduce contention on s_orphan_lock")
Fixes: 6e3617e579 ("ext4: Handle non empty on-disk orphan link")
Cc: Dmitry Monakhov <dmonakhov@gmail.com>
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 2.6.34
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vasily Averin
2018-11-06 17:01:36 -05:00
committed by Greg Kroah-Hartman
parent d65b7d334f
commit 656b121b39
1 changed files with 3 additions and 1 deletions
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4
fs/ext4/namei.c
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@@ -2811,7 +2811,9 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
list_del_init(&EXT4_I(inode)->i_orphan); list_del_init(&EXT4_I(inode)->i_orphan);
mutex_unlock(&sbi->s_orphan_lock); mutex_unlock(&sbi->s_orphan_lock);
} }
} } else
brelse(iloc.bh);
jbd_debug(4, "superblock will point to %lu\n", inode->i_ino); jbd_debug(4, "superblock will point to %lu\n", inode->i_ino);
jbd_debug(4, "orphan inode %lu will point to %d\n", jbd_debug(4, "orphan inode %lu will point to %d\n",
inode->i_ino, NEXT_ORPHAN(inode)); inode->i_ino, NEXT_ORPHAN(inode));