From: Peter Hurley <peter@hurleysoftware.com>
Date: Wed, 5 Nov 2014 17:13:02 +0000 (-0500)
Subject: tty: Preset lock subclass for nested tty locks
X-Git-Tag: omap-for-v3.19/fixes-rc1~86^2~175
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2febdb632bb96235b94b8fccaf882a78f8f4b2bb;p=pandora-kernel.git

tty: Preset lock subclass for nested tty locks

Eliminate the requirement of specifying the tty lock nesting at
lock time; instead, set the lock subclass for slave ptys at pty
install (normal ttys and master ptys use subclass 0).

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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