driver-core: do not register a driver with bus_type not registered

[pandora-kernel.git] / drivers / base / bus.c

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 8547b78..11463c0 100644 (file)
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -932,6 +932,7 @@ bus_uevent_fail:
        kset_unregister(&bus->p->subsys);
        kfree(bus->p);
 out:
+       bus->p = NULL;
        return retval;
 }
 EXPORT_SYMBOL_GPL(bus_register);
@@ -953,6 +954,7 @@ void bus_unregister(struct bus_type *bus)
        bus_remove_file(bus, &bus_attr_uevent);
        kset_unregister(&bus->p->subsys);
        kfree(bus->p);
+       bus->p = NULL;
 }
 EXPORT_SYMBOL_GPL(bus_unregister);