-From 5638cf1b2b8a418553790662c414b29ced8521dd Mon Sep 17 00:00:00 2001
+From f17d5198c547b208379e523bf400e55cef88ff56 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 30 Jun 2015 14:12:42 +0100
Subject: [PATCH] serial: 8250: Don't crash when nr_uarts is 0