hwmon: add support for GMT G760A fan speed PWM controller

[firefly-linux-kernel-4.4.55.git] / drivers / base / driver.c

diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index b76cc69f11067801e85f830573d098561eb97727..c51f11bb29ae2bdd0a13077147e6db357da8be27 100644 (file)
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -223,6 +223,8 @@ 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))