From a0340703981baa6cc1e9c7c768095a0a4e718daf Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 19 Oct 2011 08:33:21 -0700
Subject: [PATCH] Revert "TTY: call tty_driver_lookup_tty unconditionally"

This reverts commit 631180aca723cb92e128fdac5fd144e913ca84e5.

It caused problems when /dev/tty is a pty:
	https://lkml.org/lkml/2011/10/12/401

Cc: Jiri Slaby <jslaby@suse.cz>
Cc: stable <stable@vger.kernel.org>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
Reading git-format-patch failed