Re: [PATCH 4/5] af_vsock: add socket ops for SOCK_SEQPACKET.

From: Arseniy Krasnov <redacted>

---
  net/vmw_vsock/af_vsock.c | 107 +++++++++++++++++++++++++++++++++------
  1 file changed, 91 insertions(+), 16 deletions(-)

diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 7ff00449a9a2..30caad9815f7 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c

@@ -452,6 +452,7 @@ int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk)
  		new_transport = transport_dgram;
  		break;
  	case SOCK_STREAM:
+	case SOCK_SEQPACKET:
  		if (vsock_use_local_transport(remote_cid))
  			new_transport = transport_local;
  		else if (remote_cid <= VMADDR_CID_HOST || !transport_h2g ||

@@ -459,6 +460,12 @@ int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk)
  			new_transport = transport_g2h;
  		else
  			new_transport = transport_h2g;
+
+		if (sk->sk_type == SOCK_SEQPACKET) {
+			if (!new_transport->seqpacket_seq_send_len ||
+			    !new_transport->seqpacket_seq_get_len)
+				return -ENODEV;