1 files changed, 17 insertions, 9 deletions

diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index 146ca9cd1567..3a2637a00934 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -66,10 +66,10 @@ struct dummy_slot {
 	struct pci_dev *dev;
 	struct work_struct remove_work;
 	unsigned long removed;
-	char name[8];
 };
 
 static int debug;
+static int dup_slots;
 static LIST_HEAD(slot_list);
 static struct workqueue_struct *dummyphp_wq;
 
@@ -96,10 +96,13 @@ static void dummy_release(struct hotplug_slot *slot)
 	kfree(dslot);
 }
 
+#define SLOT_NAME_SIZE	8
+
 static int add_slot(struct pci_dev *dev)
 {
 	struct dummy_slot *dslot;
 	struct hotplug_slot *slot;
+	char name[SLOT_NAME_SIZE];
 	int retval = -ENOMEM;
 	static int count = 1;
 
@@ -119,19 +122,22 @@ static int add_slot(struct pci_dev *dev)
 	if (!dslot)
 		goto error_info;
 
-	slot->name = dslot->name;
-	snprintf(slot->name, sizeof(dslot->name), "fake%d", count++);
-	dbg("slot->name = %s\n", slot->name);
+	if (dup_slots)
+		snprintf(name, SLOT_NAME_SIZE, "fake");
+	else
+		snprintf(name, SLOT_NAME_SIZE, "fake%d", count++);
+	dbg("slot->name = %s\n", name);
 	slot->ops = &dummy_hotplug_slot_ops;
 	slot->release = &dummy_release;
 	slot->private = dslot;
 
-	retval = pci_hp_register(slot, dev->bus, PCI_SLOT(dev->devfn));
+	retval = pci_hp_register(slot, dev->bus, PCI_SLOT(dev->devfn), name);
 	if (retval) {
 		err("pci_hp_register failed with error %d\n", retval);
 		goto error_dslot;
 	}
 
+	dbg("slot->name = %s\n", hotplug_slot_name(slot));
 	dslot->slot = slot;
 	dslot->dev = pci_dev_get(dev);
 	list_add (&dslot->node, &slot_list);
@@ -167,10 +173,11 @@ static void remove_slot(struct dummy_slot *dslot)
 {
 	int retval;
 
-	dbg("removing slot %s\n", dslot->slot->name);
+	dbg("removing slot %s\n", hotplug_slot_name(dslot->slot));
 	retval = pci_hp_deregister(dslot->slot);
 	if (retval)
-		err("Problem unregistering a slot %s\n", dslot->slot->name);
+		err("Problem unregistering a slot %s\n",
+			hotplug_slot_name(dslot->slot));
 }
 
 /* called from the single-threaded workqueue handler to remove a slot */
@@ -308,7 +315,7 @@ static int disable_slot(struct hotplug_slot *slot)
 		return -ENODEV;
 	dslot = slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot_name(slot));
 
 	for (func = 7; func >= 0; func--) {
 		dev = pci_get_slot(dslot->dev->bus, dslot->dev->devfn + func);
@@ -373,4 +380,5 @@ MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
 module_param(debug, bool, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
-
+module_param(dup_slots, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(dup_slots, "Force duplicate slot names for debugging");