--- block/ctrldev.c.orig	2008-04-25 00:05:43.000000000 +0200
+++ block/ctrldev.c	2009-06-14 21:03:48.000000000 +0200
@@ -1083,6 +1083,18 @@
 #endif
 #endif
 
+/*
+ * In 2.6.13 and 2.6.14 kernels class_device_create() had different prototype. 
+ */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) && \
+    LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12)
+#define ndas_class_device_create(cls, parent, devt, device, fmt) \
+               class_device_create(cls, devt, device, fmt)
+#else
+#define ndas_class_device_create(cls, parent, devt, device, fmt) \
+               class_device_create(cls, parent, devt, device, fmt)
+#endif
+
 int ndas_ctrldev_init(void)
 {
 	int ret = 0;
@@ -1118,7 +1130,7 @@
         return PTR_ERR(ndas_ctrldev_class);
     }
 
-    class_device_create(ndas_ctrldev_class, NULL,
+    ndas_class_device_create(ndas_ctrldev_class, NULL,
         MKDEV(NDAS_CHR_DEV_MAJOR, NDAS_CHR_DEV_MINOR),
         NULL, "ndas");
 #else