From: Alan Cox <alan@linux.intel.com>
Date: Thu, 3 May 2012 21:21:53 +0000 (+0100)
Subject: tty_lock: undo the old tty_lock use on the ctty
X-Git-Tag: v3.5-rc1~146^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3af502b96649ccb7462da73b0cca446c8384b155;p=pandora-kernel.git

tty_lock: undo the old tty_lock use on the ctty

get_current_tty has its own consistent locking. That means a pile of the
tty lock cases are not needed. As get_current_tty also keeps a reference the
tty object lifetime means we can propogate the lock removal out.

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