mcb: Destroy IDA on module unload

Destroy mcb_ida on module_unload

Signed-off-by: Johannes Thumshirn <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/mcb/mcb-core.c

···
 
 static void mcb_exit(void)
 {
+	ida_destroy(&mcb_ida);
 	bus_unregister(&mcb_bus_type);
 }