vsock: rename vsock_has_data()

vsock_has_data() is used only by STREAM and SEQPACKET sockets,
so let's rename it to vsock_connectible_has_data(), using the same
nomenclature (connectible) used in other functions after the
introduction of SEQPACKET.
Signed-off-by: NStefano Garzarella <sgarzare@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/vmw_vsock/af_vsock.c

@@ -860,7 +860,7 @@ s64 vsock_stream_has_data(struct vsock_sock *vsk)
 }
 EXPORT_SYMBOL_GPL(vsock_stream_has_data);
 
-static s64 vsock_has_data(struct vsock_sock *vsk)
+static s64 vsock_connectible_has_data(struct vsock_sock *vsk)
 {
 	struct sock *sk = sk_vsock(vsk);
 
@@ -1880,7 +1880,7 @@ static int vsock_wait_data(struct sock *sk, struct wait_queue_entry *wait,
 	err = 0;
 	transport = vsk->transport;
 
-	while ((data = vsock_has_data(vsk)) == 0) {
+	while ((data = vsock_connectible_has_data(vsk)) == 0) {
 		prepare_to_wait(sk_sleep(sk), wait, TASK_INTERRUPTIBLE);
 
 		if (sk->sk_err != 0 ||