pcibus_info = SN_PCIBUS_BUSSOFT_INFO(pci_bus);
 
-       slot = kcalloc(1, sizeof(*slot), GFP_KERNEL);
+       slot = kzalloc(sizeof(*slot), GFP_KERNEL);
        if (!slot)
                return -ENOMEM;
        bss_hotplug_slot->private = slot;
                if (sn_pci_slot_valid(pci_bus, device) != 1)
                        continue;
 
-               bss_hotplug_slot = kcalloc(1, sizeof(*bss_hotplug_slot),
+               bss_hotplug_slot = kzalloc(sizeof(*bss_hotplug_slot),
                                           GFP_KERNEL);
                if (!bss_hotplug_slot) {
                        rc = -ENOMEM;
                }
 
                bss_hotplug_slot->info =
-                       kcalloc(1, sizeof(struct hotplug_slot_info),
+                       kzalloc(sizeof(struct hotplug_slot_info),
                                GFP_KERNEL);
                if (!bss_hotplug_slot->info) {
                        rc = -ENOMEM;
 
                        continue;
 
                /* allocate attribute structure, piggyback attribute name */
-               res_attr = kcalloc(1, sizeof(*res_attr) + 10, GFP_ATOMIC);
+               res_attr = kzalloc(sizeof(*res_attr) + 10, GFP_ATOMIC);
                if (res_attr) {
                        char *res_attr_name = (char *)(res_attr + 1);