diff options
| -rw-r--r-- | drivers/vhost/vdpa.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 9d25b735b43d..3f0184d42075 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -682,6 +682,8 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, return -EFAULT; if (idx >= vdpa->ngroups || s.num >= vdpa->nas) return -EINVAL; + if (ops->get_status(vdpa) & VIRTIO_CONFIG_S_DRIVER_OK) + return -EBUSY; if (!ops->set_group_asid) return -EOPNOTSUPP; return ops->set_group_asid(vdpa, idx, s.num); |