12 files changed, 276 insertions, 74 deletions

diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index be104eced34..7fff07e877c 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -150,6 +150,11 @@ struct acpiphp_attention_info
 	struct module *owner;
 };
 
+struct acpiphp_ioapic {
+	struct pci_dev *dev;
+	u32 gsi_base;
+	struct list_head list;
+};
 
 /* PCI bus bridge HID */
 #define ACPI_PCI_HOST_HID		"PNP0A03"
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index ae67a8f55ba..83e8e4412de 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -53,6 +53,8 @@
 #include "acpiphp.h"
 
 static LIST_HEAD(bridge_list);
+static LIST_HEAD(ioapic_list);
+static DEFINE_SPINLOCK(ioapic_list_lock);
 
 #define MY_NAME "acpiphp_glue"
 
@@ -797,6 +799,7 @@ ioapic_add(acpi_handle handle, u32 lvl, void *context, void **rv)
 	struct pci_dev *pdev;
 	u32 gsi_base;
 	u64 phys_addr;
+	struct acpiphp_ioapic *ioapic;
 
 	/* Evaluate _STA if present */
 	status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
@@ -811,41 +814,107 @@ ioapic_add(acpi_handle handle, u32 lvl, void *context, void **rv)
 	if (get_gsi_base(handle, &gsi_base))
 		return AE_OK;
 
+	ioapic = kmalloc(sizeof(*ioapic), GFP_KERNEL);
+	if (!ioapic)
+		return AE_NO_MEMORY;
+
 	pdev = get_apic_pci_info(handle);
 	if (!pdev)
-		return AE_OK;
+		goto exit_kfree;
 
-	if (pci_enable_device(pdev)) {
-		pci_dev_put(pdev);
-		return AE_OK;
-	}
+	if (pci_enable_device(pdev))
+		goto exit_pci_dev_put;
 
 	pci_set_master(pdev);
 
-	if (pci_request_region(pdev, 0, "I/O APIC(acpiphp)")) {
-		pci_disable_device(pdev);
-		pci_dev_put(pdev);
-		return AE_OK;
-	}
+	if (pci_request_region(pdev, 0, "I/O APIC(acpiphp)"))
+		goto exit_pci_disable_device;
 
 	phys_addr = pci_resource_start(pdev, 0);
-	if (acpi_register_ioapic(handle, phys_addr, gsi_base)) {
-		pci_release_region(pdev, 0);
-		pci_disable_device(pdev);
-		pci_dev_put(pdev);
+	if (acpi_register_ioapic(handle, phys_addr, gsi_base))
+		goto exit_pci_release_region;
+
+	ioapic->gsi_base = gsi_base;
+	ioapic->dev = pdev;
+	spin_lock(&ioapic_list_lock);
+	list_add_tail(&ioapic->list, &ioapic_list);
+	spin_unlock(&ioapic_list_lock);
+
+	return AE_OK;
+
+ exit_pci_release_region:
+	pci_release_region(pdev, 0);
+ exit_pci_disable_device:
+	pci_disable_device(pdev);
+ exit_pci_dev_put:
+	pci_dev_put(pdev);
+ exit_kfree:
+	kfree(ioapic);
+
+	return AE_OK;
+}
+
+static acpi_status
+ioapic_remove(acpi_handle handle, u32 lvl, void *context, void **rv)
+{
+	acpi_status status;
+	unsigned long sta;
+	acpi_handle tmp;
+	u32 gsi_base;
+	struct acpiphp_ioapic *pos, *n, *ioapic = NULL;
+
+	/* Evaluate _STA if present */
+	status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
+	if (ACPI_SUCCESS(status) && sta != ACPI_STA_ALL)
+		return AE_CTRL_DEPTH;
+
+	/* Scan only PCI bus scope */
+	status = acpi_get_handle(handle, "_HID", &tmp);
+	if (ACPI_SUCCESS(status))
+		return AE_CTRL_DEPTH;
+
+	if (get_gsi_base(handle, &gsi_base))
 		return AE_OK;
+
+	acpi_unregister_ioapic(handle, gsi_base);
+
+	spin_lock(&ioapic_list_lock);
+	list_for_each_entry_safe(pos, n, &ioapic_list, list) {
+		if (pos->gsi_base != gsi_base)
+			continue;
+		ioapic = pos;
+		list_del(&ioapic->list);
+		break;
 	}
+	spin_unlock(&ioapic_list_lock);
+
+	if (!ioapic)
+		return AE_OK;
+
+	pci_release_region(ioapic->dev, 0);
+	pci_disable_device(ioapic->dev);
+	pci_dev_put(ioapic->dev);
+	kfree(ioapic);
 
 	return AE_OK;
 }
 
 static int acpiphp_configure_ioapics(acpi_handle handle)
 {
+	ioapic_add(handle, 0, NULL, NULL);
 	acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
 			    ACPI_UINT32_MAX, ioapic_add, NULL, NULL);
 	return 0;
 }
 
+static int acpiphp_unconfigure_ioapics(acpi_handle handle)
+{
+	ioapic_remove(handle, 0, NULL, NULL);
+	acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
+			    ACPI_UINT32_MAX, ioapic_remove, NULL, NULL);
+	return 0;
+}
+
 static int power_on_slot(struct acpiphp_slot *slot)
 {
 	acpi_status status;
@@ -997,7 +1066,7 @@ acpiphp_bus_add_out:
  * @handle: handle to acpi namespace
  *
  */
-int acpiphp_bus_trim(acpi_handle handle)
+static int acpiphp_bus_trim(acpi_handle handle)
 {
 	struct acpi_device *device;
 	int retval;
@@ -1074,10 +1143,11 @@ static int enable_device(struct acpiphp_slot *slot)
 
 	pci_bus_assign_resources(bus);
 	acpiphp_sanitize_bus(bus);
+	acpiphp_set_hpp_values(slot->bridge->handle, bus);
+	list_for_each_entry(func, &slot->funcs, sibling)
+		acpiphp_configure_ioapics(func->handle);
 	pci_enable_bridges(bus);
 	pci_bus_add_devices(bus);
-	acpiphp_set_hpp_values(slot->bridge->handle, bus);
-	acpiphp_configure_ioapics(slot->bridge->handle);
 
 	/* associate pci_dev to our representation */
 	list_for_each (l, &slot->funcs) {
@@ -1103,6 +1173,16 @@ static int enable_device(struct acpiphp_slot *slot)
 	return retval;
 }
 
+static void disable_bridges(struct pci_bus *bus)
+{
+	struct pci_dev *dev;
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		if (dev->subordinate) {
+			disable_bridges(dev->subordinate);
+			pci_disable_device(dev);
+		}
+	}
+}
 
 /**
  * disable_device - disable a slot
@@ -1127,6 +1207,19 @@ static int disable_device(struct acpiphp_slot *slot)
 			func->bridge = NULL;
 		}
 
+		if (func->pci_dev) {
+			pci_stop_bus_device(func->pci_dev);
+			if (func->pci_dev->subordinate) {
+				disable_bridges(func->pci_dev->subordinate);
+				pci_disable_device(func->pci_dev);
+			}
+		}
+	}
+
+	list_for_each (l, &slot->funcs) {
+		func = list_entry(l, struct acpiphp_func, sibling);
+
+		acpiphp_unconfigure_ioapics(func->handle);
 		acpiphp_bus_trim(func->handle);
 		/* try to remove anyway.
 		 * acpiphp_bus_add might have been failed */
diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 317457dd401..d0a07d9ab30 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -487,9 +487,7 @@ static void __exit ibm_acpiphp_exit(void)
 	if (ACPI_FAILURE(status))
 		err("%s: Notification handler removal failed\n", __FUNCTION__);
 	/* remove the /sys entries */
-	if (sysfs_remove_bin_file(sysdir, &ibm_apci_table_attr))
-		err("%s: removal of sysfs file apci_table failed\n",
-				__FUNCTION__);
+	sysfs_remove_bin_file(sysdir, &ibm_apci_table_attr);
 }
 
 module_init(ibm_acpiphp_init);
diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c
index 8b3da007e85..5bab666cd67 100644
--- a/drivers/pci/hotplug/cpqphp_sysfs.c
+++ b/drivers/pci/hotplug/cpqphp_sysfs.c
@@ -140,7 +140,7 @@ struct ctrl_dbg {
 
 static int open(struct inode *inode, struct file *file)
 {
-	struct controller *ctrl = inode->u.generic_ip;
+	struct controller *ctrl = inode->i_private;
 	struct ctrl_dbg *dbg;
 	int retval = -ENOMEM;
 
diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index dd2b762777c..05a4f0f9018 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -176,7 +176,9 @@ static void pci_rescan_slot(struct pci_dev *temp)
 	struct pci_bus *bus = temp->bus;
 	struct pci_dev *dev;
 	int func;
+	int retval;
 	u8 hdr_type;
+
 	if (!pci_read_config_byte(temp, PCI_HEADER_TYPE, &hdr_type)) {
 		temp->hdr_type = hdr_type & 0x7f;
 		if (!pci_find_slot(bus->number, temp->devfn)) {
@@ -185,8 +187,12 @@ static void pci_rescan_slot(struct pci_dev *temp)
 				dbg("New device on %s function %x:%x\n",
 					bus->name, temp->devfn >> 3,
 					temp->devfn & 7);
-				pci_bus_add_device(dev);
-				add_slot(dev);
+				retval = pci_bus_add_device(dev);
+				if (retval)
+					dev_err(&dev->dev, "error adding "
+						"device, continuing.\n");
+				else
+					add_slot(dev);
 			}
 		}
 		/* multifunction device? */
@@ -205,8 +211,12 @@ static void pci_rescan_slot(struct pci_dev *temp)
 					dbg("New device on %s function %x:%x\n",
 						bus->name, temp->devfn >> 3,
 						temp->devfn & 7);
-					pci_bus_add_device(dev);
-					add_slot(dev);
+					retval = pci_bus_add_device(dev);
+					if (retval)
+						dev_err(&dev->dev, "error adding "
+							"device, continuing.\n");
+					else
+						add_slot(dev);
 				}
 			}
 		}
diff --git a/drivers/pci/hotplug/pci_hotplug.h b/drivers/pci/hotplug/pci_hotplug.h
index e929b7c1142..772523dc386 100644
--- a/drivers/pci/hotplug/pci_hotplug.h
+++ b/drivers/pci/hotplug/pci_hotplug.h
@@ -172,8 +172,8 @@ struct hotplug_slot {
 
 extern int pci_hp_register		(struct hotplug_slot *slot);
 extern int pci_hp_deregister		(struct hotplug_slot *slot);
-extern int pci_hp_change_slot_info	(struct hotplug_slot *slot,
-					 struct hotplug_slot_info *info);
+extern int __must_check pci_hp_change_slot_info	(struct hotplug_slot *slot,
+						 struct hotplug_slot_info *info);
 extern struct subsystem pci_hotplug_slots_subsys;
 
 /* PCI Setting Record (Type 0) */
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index b7b378df89e..e2823ea9c4e 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -482,31 +482,95 @@ static int has_test_file (struct hotplug_slot *slot)
 
 static int fs_add_slot (struct hotplug_slot *slot)
 {
-	if (has_power_file(slot) == 0)
-		sysfs_create_file(&slot->kobj, &hotplug_slot_attr_power.attr);
+	int retval = 0;
 
-	if (has_attention_file(slot) == 0)
-		sysfs_create_file(&slot->kobj, &hotplug_slot_attr_attention.attr);
+	if (has_power_file(slot) == 0) {
+		retval = sysfs_create_file(&slot->kobj, &hotplug_slot_attr_power.attr);
+		if (retval)
+			goto exit_power;
+	}
 
-	if (has_latch_file(slot) == 0)
-		sysfs_create_file(&slot->kobj, &hotplug_slot_attr_latch.attr);
+	if (has_attention_file(slot) == 0) {
+		retval = sysfs_create_file(&slot->kobj,
+					   &hotplug_slot_attr_attention.attr);
+		if (retval)
+			goto exit_attention;
+	}
 
-	if (has_adapter_file(slot) == 0)
-		sysfs_create_file(&slot->kobj, &hotplug_slot_attr_presence.attr);
+	if (has_latch_file(slot) == 0) {
+		retval = sysfs_create_file(&slot->kobj,
+					   &hotplug_slot_attr_latch.attr);
+		if (retval)
+			goto exit_latch;
+	}
 
-	if (has_address_file(slot) == 0)
-		sysfs_create_file(&slot->kobj, &hotplug_slot_attr_address.attr);
+	if (has_adapter_file(slot) == 0) {
+		retval = sysfs_create_file(&slot->kobj,
+					   &hotplug_slot_attr_presence.attr);
+		if (retval)
+			goto exit_adapter;
+	}
 
-	if (has_max_bus_speed_file(slot) == 0)
-		sysfs_create_file(&slot->kobj, &hotplug_slot_attr_max_bus_speed.attr);
+	if (has_address_file(slot) == 0) {
+		retval = sysfs_create_file(&slot->kobj,
+					   &hotplug_slot_attr_address.attr);
+		if (retval)
+			goto exit_address;
+	}
 
+	if (has_max_bus_speed_file(slot) == 0) {
+		retval = sysfs_create_file(&slot->kobj,
+					   &hotplug_slot_attr_max_bus_speed.attr);
+		if (retval)
+			goto exit_max_speed;
+	}
+
+	if (has_cur_bus_speed_file(slot) == 0) {
+		retval = sysfs_create_file(&slot->kobj,
+					   &hotplug_slot_attr_cur_bus_speed.attr);
+		if (retval)
+			goto exit_cur_speed;
+	}
+
+	if (has_test_file(slot) == 0) {
+		retval = sysfs_create_file(&slot->kobj,
+					   &hotplug_slot_attr_test.attr);
+		if (retval)
+			goto exit_test;
+	}
+
+	goto exit;
+
+exit_test:
 	if (has_cur_bus_speed_file(slot) == 0)
-		sysfs_create_file(&slot->kobj, &hotplug_slot_attr_cur_bus_speed.attr);
+		sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_cur_bus_speed.attr);
 
-	if (has_test_file(slot) == 0)
-		sysfs_create_file(&slot->kobj, &hotplug_slot_attr_test.attr);
+exit_cur_speed:
+	if (has_max_bus_speed_file(slot) == 0)
+		sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_max_bus_speed.attr);
 
-	return 0;
+exit_max_speed:
+	if (has_address_file(slot) == 0)
+		sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_address.attr);
+
+exit_address:
+	if (has_adapter_file(slot) == 0)
+		sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_presence.attr);
+
+exit_adapter:
+	if (has_latch_file(slot) == 0)
+		sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_latch.attr);
+
+exit_latch:
+	if (has_attention_file(slot) == 0)
+		sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_attention.attr);
+
+exit_attention:
+	if (has_power_file(slot) == 0)
+		sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_power.attr);
+exit_power:
+exit:
+	return retval;
 }
 
 static void fs_remove_slot (struct hotplug_slot *slot)
@@ -626,8 +690,11 @@ int pci_hp_deregister (struct hotplug_slot *slot)
  *
  * Returns 0 if successful, anything else for an error.
  */
-int pci_hp_change_slot_info (struct hotplug_slot *slot, struct hotplug_slot_info *info)
+int __must_check pci_hp_change_slot_info(struct hotplug_slot *slot,
+					 struct hotplug_slot_info *info)
 {
+	int retval;
+
 	if ((slot == NULL) || (info == NULL))
 		return -ENODEV;
 
@@ -636,32 +703,60 @@ int pci_hp_change_slot_info (struct hotplug_slot *slot, struct hotplug_slot_info
 	* for the files referring to the fields that have now changed.
 	*/
 	if ((has_power_file(slot) == 0) &&
-	    (slot->info->power_status != info->power_status))
-		sysfs_update_file(&slot->kobj, &hotplug_slot_attr_power.attr);
+	    (slot->info->power_status != info->power_status)) {
+		retval = sysfs_update_file(&slot->kobj,
+					   &hotplug_slot_attr_power.attr);
+		if (retval)
+			return retval;
+	}
 
 	if ((has_attention_file(slot) == 0) &&
-	    (slot->info->attention_status != info->attention_status))
-		sysfs_update_file(&slot->kobj, &hotplug_slot_attr_attention.attr);
+	    (slot->info->attention_status != info->attention_status)) {
+		retval = sysfs_update_file(&slot->kobj,
+					   &hotplug_slot_attr_attention.attr);
+		if (retval)
+			return retval;
+	}
 
 	if ((has_latch_file(slot) == 0) &&
-	    (slot->info->latch_status != info->latch_status))
-		sysfs_update_file(&slot->kobj, &hotplug_slot_attr_latch.attr);
+	    (slot->info->latch_status != info->latch_status)) {
+		retval = sysfs_update_file(&slot->kobj,
+					   &hotplug_slot_attr_latch.attr);
+		if (retval)
+			return retval;
+	}
 
 	if ((has_adapter_file(slot) == 0) &&
-	    (slot->info->adapter_status != info->adapter_status))
-		sysfs_update_file(&slot->kobj, &hotplug_slot_attr_presence.attr);
+	    (slot->info->adapter_status != info->adapter_status)) {
+		retval = sysfs_update_file(&slot->kobj,
+					   &hotplug_slot_attr_presence.attr);
+		if (retval)
+			return retval;
+	}
 
 	if ((has_address_file(slot) == 0) &&
-	    (slot->info->address != info->address))
-		sysfs_update_file(&slot->kobj, &hotplug_slot_attr_address.attr);
+	    (slot->info->address != info->address)) {
+		retval = sysfs_update_file(&slot->kobj,
+					   &hotplug_slot_attr_address.attr);
+		if (retval)
+			return retval;
+	}
 
 	if ((has_max_bus_speed_file(slot) == 0) &&
-	    (slot->info->max_bus_speed != info->max_bus_speed))
-		sysfs_update_file(&slot->kobj, &hotplug_slot_attr_max_bus_speed.attr);
+	    (slot->info->max_bus_speed != info->max_bus_speed)) {
+		retval = sysfs_update_file(&slot->kobj,
+					   &hotplug_slot_attr_max_bus_speed.attr);
+		if (retval)
+			return retval;
+	}
 
 	if ((has_cur_bus_speed_file(slot) == 0) &&
-	    (slot->info->cur_bus_speed != info->cur_bus_speed))
-		sysfs_update_file(&slot->kobj, &hotplug_slot_attr_cur_bus_speed.attr);
+	    (slot->info->cur_bus_speed != info->cur_bus_speed)) {
+		retval = sysfs_update_file(&slot->kobj,
+					   &hotplug_slot_attr_cur_bus_speed.attr);
+		if (retval)
+			return retval;
+	}
 
 	memcpy (slot->info, info, sizeof (struct hotplug_slot_info));
 
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 33d19876835..41290a106bd 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -762,14 +762,14 @@ int pciehp_enable_slot(struct slot *p_slot)
 	if (rc || !getstatus) {
 		info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number);
 		mutex_unlock(&p_slot->ctrl->crit_sect);
-		return 1;
+		return -ENODEV;
 	}
 	if (MRL_SENS(p_slot->ctrl->ctrlcap)) {	
 		rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 		if (rc || getstatus) {
 			info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
-			return 1;
+			return -ENODEV;
 		}
 	}
 	
@@ -778,7 +778,7 @@ int pciehp_enable_slot(struct slot *p_slot)
 		if (rc || getstatus) {
 			info("%s: already enabled on slot(%x)\n", __FUNCTION__, p_slot->number);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
-			return 1;
+			return -EINVAL;
 		}
 	}
 	mutex_unlock(&p_slot->ctrl->crit_sect);
@@ -813,7 +813,7 @@ int pciehp_disable_slot(struct slot *p_slot)
 		if (ret || !getstatus) {
 			info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
-			return 1;
+			return -ENODEV;
 		}
 	}
 
@@ -822,7 +822,7 @@ int pciehp_disable_slot(struct slot *p_slot)
 		if (ret || getstatus) {
 			info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
-			return 1;
+			return -ENODEV;
 		}
 	}
 
@@ -831,7 +831,7 @@ int pciehp_disable_slot(struct slot *p_slot)
 		if (ret || !getstatus) {
 			info("%s: already disabled slot(%x)\n", __FUNCTION__, p_slot->number);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
-			return 1;
+			return -EINVAL;
 		}
 	}
 
diff --git a/drivers/pci/hotplug/pcihp_skeleton.c b/drivers/pci/hotplug/pcihp_skeleton.c
index 8ad446605f7..2b9e10e3861 100644
--- a/drivers/pci/hotplug/pcihp_skeleton.c
+++ b/drivers/pci/hotplug/pcihp_skeleton.c
@@ -1,5 +1,5 @@
 /*
- * PCI Hot Plug Controller Skeleton Driver - 0.2
+ * PCI Hot Plug Controller Skeleton Driver - 0.3
  *
  * Copyright (C) 2001,2003 Greg Kroah-Hartman (greg@kroah.com)
  * Copyright (C) 2001,2003 IBM Corp.
@@ -21,7 +21,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
- * This driver is to be used as a skeleton driver to be show how to interface
+ * This driver is to be used as a skeleton driver to show how to interface
  * with the pci hotplug core easily.
  *
  * Send feedback to <greg@kroah.com>
@@ -58,8 +58,6 @@ static LIST_HEAD(slot_list);
 #define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
 #define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
 
-
-
 /* local variables */
 static int debug;
 static int num_slots;
@@ -109,7 +107,6 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
 	return retval;
 }
 
-
 static int disable_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
@@ -342,7 +339,7 @@ static int __init pcihp_skel_init(void)
 	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
 	/*
 	 * Do specific initialization stuff for your driver here
-	 * Like initializing your controller hardware (if any) and
+	 * like initializing your controller hardware (if any) and
 	 * determining the number of slots you have in the system
 	 * right now.
 	 */
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 7208b95c6ee..c7103ac5cd0 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -173,7 +173,7 @@ struct controller {
 #define msg_button_cancel	"PCI slot #%s - action canceled due to button press.\n"
 
 /* sysfs functions for the hotplug controller info */
-extern void shpchp_create_ctrl_files	(struct controller *ctrl);
+extern int __must_check shpchp_create_ctrl_files(struct controller *ctrl);
 
 extern int	shpchp_sysfs_enable_slot(struct slot *slot);
 extern int	shpchp_sysfs_disable_slot(struct slot *slot);
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index a14e7de1984..235c18a2239 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -449,10 +449,14 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		ctrl->speed = PCI_SPEED_33MHz;
 	}
 
-	shpchp_create_ctrl_files(ctrl);
+	rc = shpchp_create_ctrl_files(ctrl);
+	if (rc)
+		goto err_cleanup_slots;
 
 	return 0;
 
+err_cleanup_slots:
+	cleanup_slots(ctrl);
 err_out_release_ctlr:
 	ctrl->hpc_ops->release_ctlr(ctrl);
 err_out_free_ctrl:
diff --git a/drivers/pci/hotplug/shpchp_sysfs.c b/drivers/pci/hotplug/shpchp_sysfs.c
index 620e1139e60..29fa9d26ada 100644
--- a/drivers/pci/hotplug/shpchp_sysfs.c
+++ b/drivers/pci/hotplug/shpchp_sysfs.c
@@ -91,9 +91,9 @@ static ssize_t show_ctrl (struct device *dev, struct device_attribute *attr, cha
 }
 static DEVICE_ATTR (ctrl, S_IRUGO, show_ctrl, NULL);
 
-void shpchp_create_ctrl_files (struct controller *ctrl)
+int __must_check shpchp_create_ctrl_files (struct controller *ctrl)
 {
-	device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl);
+	return device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl);
 }
 
 void shpchp_remove_ctrl_files(struct controller *ctrl)