diff options
Diffstat (limited to 'drivers/s390/crypto/vfio_ap_ops.c')
| -rw-r--r-- | drivers/s390/crypto/vfio_ap_ops.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index 8606f5d75188..2884189f3877 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -689,9 +689,6 @@ static int vfio_ap_mdev_init_dev(struct vfio_device *vdev) struct ap_matrix_mdev *matrix_mdev = container_of(vdev, struct ap_matrix_mdev, vdev); - if ((atomic_dec_if_positive(&matrix_dev->available_instances) < 0)) - return -EPERM; - matrix_mdev->mdev = to_mdev_device(vdev->dev); vfio_ap_matrix_init(&matrix_dev->info, &matrix_mdev->matrix); matrix_mdev->pqap_hook = handle_pqap; @@ -770,7 +767,6 @@ static void vfio_ap_mdev_unlink_fr_queues(struct ap_matrix_mdev *matrix_mdev) static void vfio_ap_mdev_release_dev(struct vfio_device *vdev) { - atomic_inc(&matrix_dev->available_instances); vfio_free_device(vdev); } @@ -790,11 +786,6 @@ static void vfio_ap_mdev_remove(struct mdev_device *mdev) vfio_put_device(&matrix_mdev->vdev); } -static unsigned int vfio_ap_mdev_get_available(struct mdev_type *mtype) -{ - return atomic_read(&matrix_dev->available_instances); -} - #define MDEV_SHARING_ERR "Userspace may not re-assign queue %02lx.%04lx " \ "already assigned to %s" @@ -1772,6 +1763,7 @@ static const struct vfio_device_ops vfio_ap_matrix_dev_ops = { static struct mdev_driver vfio_ap_matrix_driver = { .device_api = VFIO_DEVICE_API_AP_STRING, + .max_instances = MAX_ZDEV_ENTRIES_EXT, .driver = { .name = "vfio_ap_mdev", .owner = THIS_MODULE, @@ -1780,15 +1772,12 @@ static struct mdev_driver vfio_ap_matrix_driver = { }, .probe = vfio_ap_mdev_probe, .remove = vfio_ap_mdev_remove, - .get_available = vfio_ap_mdev_get_available, }; int vfio_ap_mdev_register(void) { int ret; - atomic_set(&matrix_dev->available_instances, MAX_ZDEV_ENTRIES_EXT); - ret = mdev_register_driver(&vfio_ap_matrix_driver); if (ret) return ret; |