ACPI PCI hotplug: harden against panic regression

ACPI hotplug panic with current git head

Rather than reverting the entire commit that causes the crash:
"PCI hotplug: introduce functions for ACPI slot detection"

simply harden against it while the changes to
the hotplug code on this particularl machine are understood.

Signed-off-by: James Bottomley <>
Acked-by: Jesse Barnes <>
Signed-off-by: Len Brown <>
1 file changed