diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 7f2e775..547bf5d 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -173,8 +173,7 @@
 			goto error_name;
 		}
 
-		slot->next = ctrl->slot;
-		ctrl->slot = slot;
+		list_add(&slot->slot_list, &ctrl->slot_list);
 	}
 
 	return 0;
@@ -192,15 +191,14 @@
 
 static void cleanup_slots(struct controller *ctrl)
 {
-	struct slot *old_slot, *next_slot;
+	struct list_head *tmp;
+	struct list_head *next;
+	struct slot *slot;
 
-	old_slot = ctrl->slot;
-	ctrl->slot = NULL;
-
-	while (old_slot) {
-		next_slot = old_slot->next;
-		pci_hp_deregister(old_slot->hotplug_slot);
-		old_slot = next_slot;
+	list_for_each_safe(tmp, next, &ctrl->slot_list) {
+		slot = list_entry(tmp, struct slot, slot_list);
+		list_del(&slot->slot_list);
+		pci_hp_deregister(slot->hotplug_slot);
 	}
 }
 
@@ -391,6 +389,7 @@
 		goto err_out_none;
 	}
 	memset(ctrl, 0, sizeof(struct controller));
+	INIT_LIST_HEAD(&ctrl->slot_list);
 
 	rc = shpc_init(ctrl, pdev);
 	if (rc) {