diff options
| -rw-r--r-- | drivers/base/bus.c | 2 | ||||
| -rw-r--r-- | drivers/base/driver.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 8547b78..11463c0 100644 --- 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); diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 1e2bda7..2889ad5 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -216,6 +216,8 @@ int driver_register(struct device_driver *drv) int ret; struct device_driver *other; + BUG_ON(!drv->bus->p); + if ((drv->bus->probe && drv->probe) || (drv->bus->remove && drv->remove) || (drv->bus->shutdown && drv->shutdown)) |
