diff -Nru zaptel-1.4.9.2.org/kernel/zaptel-base.c zaptel-1.4.9.2/kernel/zaptel-base.c
--- zaptel-1.4.9.2.org/kernel/zaptel-base.c	2008-02-28 20:00:47.000000000 +0100
+++ zaptel-1.4.9.2/kernel/zaptel-base.c	2008-11-29 16:01:23.000000000 +0100
@@ -163,12 +163,32 @@
 /* udev necessary data structures.  Yeah! */
 #ifdef CONFIG_ZAP_UDEV
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
+#define CLASS_DEV_CREATE(class, devt, device, name) \
+      device_create(class, device, devt, NULL, "%s", name)
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#define CLASS_DEV_CREATE(class, devt, device, name) \
+        device_create(class, device, devt, name)
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
 #define CLASS_DEV_CREATE(class, devt, device, name) \
         class_device_create(class, NULL, devt, device, name)
-#else
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13)
 #define CLASS_DEV_CREATE(class, devt, device, name) \
         class_device_create(class, devt, device, name)
+#else
+#define CLASS_DEV_CREATE(class, devt, device, name) \
+        class_simple_device_add(class, devt, device, name)
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#define CLASS_DEV_DESTROY(class, devt) \
+        device_destroy(class, devt)
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13)
+#define CLASS_DEV_DESTROY(class, devt) \
+        class_device_destroy(class, devt)
+#else
+#define CLASS_DEV_DESTROY(class, devt) \
+        class_simple_device_remove(class, devt)
 #endif
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13)
@@ -177,8 +197,6 @@
 static struct class_simple *zap_class = NULL;
 #define class_create class_simple_create
 #define class_destroy class_simple_destroy
-#define class_device_create class_simple_device_add
-#define class_device_destroy(a, b) class_simple_device_remove(b)
 #endif
 
 #endif /* CONFIG_ZAP_UDEV */
@@ -4973,7 +4991,7 @@
 #ifdef CONFIG_ZAP_UDEV
 	for (x = 0; x < span->channels; x++) {
 		if (span->chans[x].channo < 250)
-			class_device_destroy(zap_class, MKDEV(ZT_MAJOR, span->chans[x].channo));
+			CLASS_DEV_DESTROY(zap_class, MKDEV(ZT_MAJOR, span->chans[x].channo));
 	}
 #endif /* CONFIG_ZAP_UDEV */
 
@@ -7355,7 +7373,7 @@
 int zt_unregister_chardev(struct zt_chardev *dev)
 {
 #ifdef CONFIG_ZAP_UDEV
-	class_device_destroy(zap_class, MKDEV(ZT_MAJOR, dev->minor));
+	CLASS_DEV_DESTROY(zap_class, MKDEV(ZT_MAJOR, dev->minor));
 #endif /* CONFIG_ZAP_UDEV */
 
 #ifdef CONFIG_DEVFS_FS
@@ -7434,10 +7452,10 @@
 	devfs_unregister_chrdev(ZT_MAJOR, "zaptel");
 #else
 #ifdef CONFIG_ZAP_UDEV
-	class_device_destroy(zap_class, MKDEV(ZT_MAJOR, 253)); /* timer */
-	class_device_destroy(zap_class, MKDEV(ZT_MAJOR, 254)); /* channel */
-	class_device_destroy(zap_class, MKDEV(ZT_MAJOR, 255)); /* pseudo */
-	class_device_destroy(zap_class, MKDEV(ZT_MAJOR, 0)); /* ctl */
+	CLASS_DEV_DESTROY(zap_class, MKDEV(ZT_MAJOR, 253)); /* timer */
+	CLASS_DEV_DESTROY(zap_class, MKDEV(ZT_MAJOR, 254)); /* channel */
+	CLASS_DEV_DESTROY(zap_class, MKDEV(ZT_MAJOR, 255)); /* pseudo */
+	CLASS_DEV_DESTROY(zap_class, MKDEV(ZT_MAJOR, 0)); /* ctl */
 	class_destroy(zap_class);
 #endif /* CONFIG_ZAP_UDEV */
 	unregister_chrdev(ZT_MAJOR, "zaptel");