Oops in 2.6.23-rc1-git9, arch/x86_64/pci/k8-bus.c::fill_mp_bus_to_cpumask()

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=250859

at line 74:

muli@62829: 
muli@62829: 					sd = bus->sysdata;
muli@62829: 					sd->node = node;   <=====

bus->sysdata is NULL.

Last changed by this hunk of
"x86-64: introduce struct pci_sysdata to facilitate sharing of ->sysdata":

@@ -67,7 +69,9 @@ fill_mp_bus_to_cpumask(void)
 						continue;
 					if (!node_online(node))
 						node = 0;
-					bus->sysdata = (void *)node;
+
+					sd = bus->sysdata;
+					sd->node = node;
 				}		
 			}
 		}

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