From: Joseph Qi joseph.qi@linux.alibaba.com
commit 7067b2619017d51e71686ca9756b454de0e5826a upstream.
It takes xattr_sem to check inline data again but without unlock it in case not have. So unlock it before return.
Fixes: aef1c8513c1f ("ext4: let ext4_truncate handle inline data correctly") Reported-by: Dan Carpenter dan.carpenter@oracle.com Cc: Tao Ma boyu.mt@taobao.com Signed-off-by: Joseph Qi joseph.qi@linux.alibaba.com Reviewed-by: Andreas Dilger adilger@dilger.ca Link: https://lore.kernel.org/r/1604370542-124630-1-git-send-email-joseph.qi@linux... Signed-off-by: Theodore Ts'o tytso@mit.edu Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/ext4/inline.c | 1 + 1 file changed, 1 insertion(+)
--- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1892,6 +1892,7 @@ void ext4_inline_data_truncate(struct in
ext4_write_lock_xattr(inode, &no_expand); if (!ext4_has_inline_data(inode)) { + ext4_write_unlock_xattr(inode, &no_expand); *has_inline = 0; ext4_journal_stop(handle); return;