X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fpci%2Fbus.c;h=529d9d7727b01d1ea857388cb0514f2703c8f5b3;hb=e93dc4891df93d7efa59d861fdcbb529a1819343;hp=6a9403d79e0c6fdd70ab80daecf85c6fed514488;hpb=c523aef0f7284970463ebd77a54bca9069711d4a;p=linux-2.6

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 6a9403d79e..529d9d7727 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -84,10 +84,7 @@ int pci_bus_add_device(struct pci_dev *dev)
 	if (retval)
 		return retval;
 
-	down_write(&pci_bus_sem);
-	list_add_tail(&dev->global_list, &pci_devices);
-	up_write(&pci_bus_sem);
-
+	dev->is_added = 1;
 	pci_proc_attach_device(dev);
 	pci_create_sysfs_dev_files(dev);
 	return 0;
@@ -112,11 +109,8 @@ 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 +118,7 @@ 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
@@ -143,14 +136,18 @@ void pci_bus_add_devices(struct pci_bus *bus)
 			/* register the bus with sysfs as the parent is now
 			 * properly registered. */
 			child_bus = dev->subordinate;
+			if (child_bus->is_added)
+				continue;
 			child_bus->dev.parent = child_bus->bridge;
 			retval = device_register(&child_bus->dev);
 			if (retval)
 				dev_err(&dev->dev, "Error registering pci_bus,"
 					" continuing...\n");
-			else
+			else {
+				child_bus->is_added = 1;
 				retval = device_create_file(&child_bus->dev,
 							&dev_attr_cpuaffinity);
+			}
 			if (retval)
 				dev_err(&dev->dev, "Error creating cpuaffinity"
 					" file, continuing...\n");