3 files changed, 7 insertions, 12 deletions

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index d708358326e5..e1c079aa0e82 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -84,6 +84,7 @@ int pci_bus_add_device(struct pci_dev *dev)
         if (retval)
                 return retval;
 
+        dev->is_added = 1;
         down_write(&pci_bus_sem);
         list_add_tail(&dev->global_list, &pci_devices);
         up_write(&pci_bus_sem);
@@ -112,11 +113,8 @@ void pci_bus_add_devices(struct pci_bus *bus)
         int retval;
 
         list_for_each_entry(dev, &bus->devices, bus_list) {
-                /*
-                 * Skip already-present devices (which are on the
-                 * global device list.)
-                 */
-                if (!list_empty(&dev->global_list))
+                /* Skip already-added devices */
+                if (dev->is_added)
                         continue;
                 retval = pci_bus_add_device(dev);
                 if (retval)
@@ -124,8 +122,7 @@ void pci_bus_add_devices(struct pci_bus *bus)
         }
 
         list_for_each_entry(dev, &bus->devices, bus_list) {
-
-                BUG_ON(list_empty(&dev->global_list));
+                BUG_ON(!dev->is_added);
 
                 /*
                  * If there is an unattached subordinate bus, attach
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 387fbbb97431..7217f4283ce8 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -984,7 +984,7 @@ EXPORT_SYMBOL(pci_scan_single_device);
  *
  * Scan a PCI slot on the specified PCI bus for devices, adding
  * discovered devices to the @bus->devices list.  New devices
- * will have an empty dev->global_list head.
+ * will not have is_added set.
  */
 int pci_scan_slot(struct pci_bus *bus, int devfn)
 {
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 9684e1bde277..d3c77cbe3279 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -18,13 +18,11 @@ static void pci_free_resources(struct pci_dev *dev)
 
 static void pci_stop_dev(struct pci_dev *dev)
 {
-        if (!dev->global_list.next)
-                return;
-
-        if (!list_empty(&dev->global_list)) {
+        if (dev->is_added) {
                 pci_proc_detach_device(dev);
                 pci_remove_sysfs_dev_files(dev);
                 device_unregister(&dev->dev);
+                dev->is_added = 0;
                 down_write(&pci_bus_sem);
                 list_del(&dev->global_list);
                 dev->global_list.next = dev->global_list.prev = NULL;