x86/PCI: fix boundary checking when using root CRS
Don't touch info->res_num if we are out of space. Acked-by: Gary Hade <garyhade@us.ibm.com> Tested-by: Gary Hade <garyhade@us.ibm.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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