diff options
Diffstat (limited to 'drivers/vfio/mdev/mdev_driver.c')
| -rw-r--r-- | drivers/vfio/mdev/mdev_driver.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/vfio/mdev/mdev_driver.c b/drivers/vfio/mdev/mdev_driver.c index 9c2af59809e2..7825d83a55f8 100644 --- a/drivers/vfio/mdev/mdev_driver.c +++ b/drivers/vfio/mdev/mdev_driver.c @@ -7,7 +7,6 @@ * Kirti Wankhede <kwankhede@nvidia.com> */ -#include <linux/device.h> #include <linux/iommu.h> #include <linux/mdev.h> @@ -47,7 +46,6 @@ struct bus_type mdev_bus_type = { .remove = mdev_remove, .match = mdev_match, }; -EXPORT_SYMBOL_GPL(mdev_bus_type); /** * mdev_register_driver - register a new MDEV driver @@ -57,10 +55,11 @@ EXPORT_SYMBOL_GPL(mdev_bus_type); **/ int mdev_register_driver(struct mdev_driver *drv) { + if (!drv->device_api) + return -EINVAL; + /* initialize common driver fields */ drv->driver.bus = &mdev_bus_type; - - /* register with core */ return driver_register(&drv->driver); } EXPORT_SYMBOL(mdev_register_driver); |