From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Tue, 17 Feb 2009 05:16:13 +0000 (+0900)
Subject: PCI: fix wrong assumption in pci_common_swizzle
X-Git-Tag: v2.6.30-rc1~419^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c74d724462d1845535667f4d3f720e02e3432e53;p=pandora-kernel.git

PCI: fix wrong assumption in pci_common_swizzle

Current pci_common_swizzle() seems to have a assumption that
pci_bus->self is NULL on the pci root bus. But it might not be true on
some platforms. Because of this wrong assumption, pci_common_swizzle()
might cause endless loop. We must check pci_bus->parent instead.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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