From 2b56313448bb8efad3af19f211d988c8352ac04d Mon Sep 17 00:00:00 2001
From: Yu Zhao <yu.zhao@intel.com>
Date: Wed, 28 Jan 2009 18:27:21 +0800
Subject: [PATCH] PCI: check if a bus is added when removing it

When removing a bus, 'is_added' should be checked to make sure the
bus has been successfully added by pci_bus_add_child() who will sets
'is_added'.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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