From: Alan Cox <alan@linux.intel.com>
Date: Wed, 9 May 2012 16:03:19 +0000 (+0100)
Subject: tty: drop the pty lock during hangup
X-Git-Tag: v3.5-rc1~146^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b1d679afd766cf425ba1cd2a0fd17451bd212f4a;p=pandora-kernel.git

tty: drop the pty lock during hangup

In theory we don't need it, in practice we are hitting some ill understood
deadlock when we don't drop it. The old code dropped it here so we are not
undoing anything problematic for pty. If pty could be unloaded it would be
a problem but it can't.

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