1 files changed, 2 insertions, 0 deletions

diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c
index 228787a3630a..65ea105f68a1 100644
--- a/arch/s390/pci/pci_event.c
+++ b/arch/s390/pci/pci_event.c
@@ -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;