From: Alan Cox <alan@linux.intel.com>
Date: Thu, 3 May 2012 21:24:08 +0000 (+0100)
Subject: tty_lock: Localise the lock
X-Git-Tag: v3.5-rc1~146^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d29f3ef39be4eec0362b985305fc526d9be318cf;p=pandora-kernel.git

tty_lock: Localise the lock

In each remaining case the tty_lock is associated with a specific tty. This
means we can now lock on a per tty basis. We do need tty_lock_pair() for
the pty case. Uglier but still a step in the right direction.

[fixed up calls in 3 missing drivers - gregkh]

Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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