diff options
| author | Yi Liu <yi.l.liu@intel.com> | 2023-03-27 02:33:51 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-03-31 13:43:32 -0300 |
| commit | 7d12578c5d508050554bcd9ca3d2331914d86d71 (patch) | |
| tree | abfc6e7ae9aa91eca9d630fdd1577d91cce48074 /drivers/vfio/vfio_main.c | |
| parent | 0a782d15e1d406e8074954405b1dc143a7645344 (diff) | |
vfio: Check the presence for iommufd callbacks in __vfio_register_dev()
After making the no-DMA drivers (samples/vfio-mdev) providing iommufd
callbacks, __vfio_register_dev() should check the presence of the iommufd
callbacks if CONFIG_IOMMUFD is enabled.
Link: https://lore.kernel.org/r/20230327093351.44505-7-yi.l.liu@intel.com
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Terrence Xu <terrence.xu@intel.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/vfio/vfio_main.c')
| -rw-r--r-- | drivers/vfio/vfio_main.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c index 43bd6b76e2b6..89497c933490 100644 --- a/drivers/vfio/vfio_main.c +++ b/drivers/vfio/vfio_main.c @@ -255,8 +255,9 @@ static int __vfio_register_dev(struct vfio_device *device, { int ret; - if (WARN_ON(device->ops->bind_iommufd && - (!device->ops->unbind_iommufd || + if (WARN_ON(IS_ENABLED(CONFIG_IOMMUFD) && + (!device->ops->bind_iommufd || + !device->ops->unbind_iommufd || !device->ops->attach_ioas))) return -EINVAL; |