Commit 70426892 authored Dec 12, 2013 by Sebastian Ott Committed by Martin Schwidefsky Dec 16, 2013

s390/pci: fix removal of nonexistent pci bus



If we remove a pci bus after receiving a hotplug notification we need
to check if the bus is actually present (creation of the pci bus
during an earlier notification may have been failed).

Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent aa3b7c29

arch/s390/pci/pci_event.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -112,6 +112,8 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
		clp_rescan_pci_devices();
		break;
		case 0x0308: /* Standby -> Reserved */
		if (!zdev)
		break;
		pci_stop_root_bus(zdev->bus);
		pci_remove_root_bus(zdev->bus);
		break;