From: Yinghai Lu <yinghai@kernel.org>
Date: Wed, 17 Nov 2010 20:10:40 +0000 (-0800)
Subject: PCI: Skip id checking if no id is passed
X-Git-Tag: v2.6.38-rc1~55^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee8abf783dd36f65440fd782ad16f9768631d998;p=pandora-kernel.git

PCI: Skip id checking if no id is passed

Will get warning when pci stub driver is built-in kenel like:
pci-stub: invalid id string ""

So stop early if no id is passed.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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