devclass_register() is required to be done before driver_register(), and
both can return error codes; this fixes oopsen resulting from lack of
error checking and/or incorrect ordering.


diff -urpN linux-2.5.51-bk1/drivers/base/memblk.c wli-2.5.51-bk1-1/drivers/base/memblk.c
--- linux-2.5.51-bk1/drivers/base/memblk.c	2002-12-09 18:46:26.000000000 -0800
+++ wli-2.5.51-bk1-1/drivers/base/memblk.c	2002-12-11 18:24:38.000000000 -0800
@@ -49,7 +49,7 @@ int __init register_memblk(struct memblk
 
 static int __init register_memblk_type(void)
 {
-	driver_register(&memblk_driver);
-	return devclass_register(&memblk_devclass);
+	int error = devclass_register(&memblk_devclass);
+	return error ? error : driver_register(&memblk_driver);
 }
 postcore_initcall(register_memblk_type);
diff -urpN linux-2.5.51-bk1/drivers/base/node.c wli-2.5.51-bk1-1/drivers/base/node.c
--- linux-2.5.51-bk1/drivers/base/node.c	2002-12-09 18:45:44.000000000 -0800
+++ wli-2.5.51-bk1-1/drivers/base/node.c	2002-12-11 18:24:38.000000000 -0800
@@ -93,7 +93,7 @@ int __init register_node(struct node *no
 
 static int __init register_node_type(void)
 {
-	devclass_register(&node_devclass);
-	return driver_register(&node_driver);
+	int error = devclass_register(&node_devclass);
+	return error ? error : driver_register(&node_driver);
 }
 postcore_initcall(register_node_type);