diff options
Diffstat (limited to 'drivers/base/driver.c')
-rw-r--r-- | drivers/base/driver.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c index c51f11b..8ae0f63 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -257,6 +257,10 @@ EXPORT_SYMBOL_GPL(driver_register); */ void driver_unregister(struct device_driver *drv) { + if (!drv || !drv->p) { + WARN(1, "Unexpected driver unregister!\n"); + return; + } driver_remove_groups(drv, drv->groups); bus_remove_driver(drv); } |