From: George Spelvin <linux@horizon.com>
Date: Sun, 10 Feb 2013 09:41:56 +0000 (-0500)
Subject: pps: Use pps_lookup_dev to reduce ldisc coupling
X-Git-Tag: v3.2.40~99
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24625640fe278feac753e36888ff1d335d39964b;p=pandora-kernel.git

pps: Use pps_lookup_dev to reduce ldisc coupling

commit 03a7ffe4e542310838bac70ef85acc17536b6d7c upstream.

Now that N_TTY uses tty->disc_data for its private data,
'subclass' ldiscs cannot use ->disc_data for their own private data.
(This is a regression is v3.8-rc1)

Use pps_lookup_dev to associate the tty with the pps source instead.

This fixes a crashing regression in 3.8-rc1.

Signed-off-by: George Spelvin <linux@horizon.com>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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