From: Peter Hurley <peter@hurleysoftware.com>
Date: Wed, 5 Nov 2014 17:13:00 +0000 (-0500)
Subject: tty: Simplify tty_release() state checks
X-Git-Tag: omap-for-v3.19/fixes-rc1~86^2~177
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ffb6da93c383a71b7f2d29d70cd420faa1ddeee;p=pandora-kernel.git

tty: Simplify tty_release() state checks

The local o_tty variable in tty_release() is now accessed only
when closing the pty master.

Set o_tty to slave pty when closing pty master, otherwise NULL;
use o_tty != NULL as replacement for pty_master.

Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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