diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/vhost/vsock.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index 054f7a718f50..1d8ec6bed53e 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -91,6 +91,18 @@ static struct vhost_vsock *vhost_vsock_get(u32 guest_cid, struct net *net) return NULL; } +static bool vhost_transport_has_remote_cid(struct vsock_sock *vsk, u32 cid) +{ + struct sock *sk = sk_vsock(vsk); + struct net *net = sock_net(sk); + bool found; + + rcu_read_lock(); + found = !!vhost_vsock_get(cid, net); + rcu_read_unlock(); + return found; +} + static void vhost_transport_do_send_pkt(struct vhost_vsock *vsock, struct vhost_virtqueue *vq) @@ -424,6 +436,7 @@ static struct virtio_transport vhost_transport = { .module = THIS_MODULE, .get_local_cid = vhost_transport_get_local_cid, + .has_remote_cid = vhost_transport_has_remote_cid, .init = virtio_transport_do_socket_init, .destruct = virtio_transport_destruct, |