diff options
Diffstat (limited to 'drivers/vfio/mdev/mdev_driver.c')
| -rw-r--r-- | drivers/vfio/mdev/mdev_driver.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/vfio/mdev/mdev_driver.c b/drivers/vfio/mdev/mdev_driver.c index 7bd4bb9850e8..1da1ecf76a0d 100644 --- a/drivers/vfio/mdev/mdev_driver.c +++ b/drivers/vfio/mdev/mdev_driver.c @@ -56,10 +56,9 @@ EXPORT_SYMBOL_GPL(mdev_bus_type); **/ int mdev_register_driver(struct mdev_driver *drv) { - /* initialize common driver fields */ + if (!drv->types_attrs) + return -EINVAL; drv->driver.bus = &mdev_bus_type; - - /* register with core */ return driver_register(&drv->driver); } EXPORT_SYMBOL(mdev_register_driver); |