diff options
author | Yi Liu <yi.l.liu@intel.com> | 2023-03-27 12:33:51 +0300 |
---|---|---|
committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-03-31 19:43:32 +0300 |
commit | 7d12578c5d508050554bcd9ca3d2331914d86d71 (patch) | |
tree | abfc6e7ae9aa91eca9d630fdd1577d91cce48074 /drivers/vfio/iommufd.c | |
parent | 0a782d15e1d406e8074954405b1dc143a7645344 (diff) | |
download | linux-7d12578c5d508050554bcd9ca3d2331914d86d71.tar.xz |
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/iommufd.c')
-rw-r--r-- | drivers/vfio/iommufd.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/vfio/iommufd.c b/drivers/vfio/iommufd.c index 890ea101685c..88b00c501015 100644 --- a/drivers/vfio/iommufd.c +++ b/drivers/vfio/iommufd.c @@ -32,9 +32,6 @@ int vfio_iommufd_bind(struct vfio_device *vdev, struct iommufd_ctx *ictx) return 0; } - if (WARN_ON(!vdev->ops->bind_iommufd)) - return -ENODEV; - ret = vdev->ops->bind_iommufd(vdev, ictx, &device_id); if (ret) return ret; |