epoll: do not insert into poll queues until all sanity checks are done

commit f8d4f44df056c5b504b0d49683fb7279218fd207 upstream.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 file changed