Index: sys/i386/bios/smapi.c
===================================================================
--- sys/i386/bios/smapi.c
+++ sys/i386/bios/smapi.c
@@ -289,7 +289,7 @@
 	case MOD_LOAD:
 		break;
 	case MOD_UNLOAD:
-		devclass_get_devices(smapi_devclass, &devs, &count);
+		devclass_get_devices(devclass_find("smapi"), &devs, &count);
 		for (i = 0; i < count; i++) {
 			device_delete_child(device_get_parent(devs[i]), devs[i]);
 		}