Spice port registration is delayed until the server is started. But
ports created after are not being registered. If the server is already
started, do vmc_register_interface() to register it from
qemu_chr_open_spice_port().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 chardev/spice.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/chardev/spice.c b/chardev/spice.c
index 2202d50eee..22c30ae833 100644
--- a/chardev/spice.c
+++ b/chardev/spice.c
@@ -316,6 +316,11 @@ void qemu_chr_open_spice_port(Chardev *chr,
     *be_opened = false;
     s = SPICE_CHARDEV(chr);
     s->sin.portname = g_strdup(name);
+
+    if (using_spice) {
+        /* spice server already created */
+        vmc_register_interface(s);
+    }
 }
 
 void qemu_spice_register_ports(void)
-- 
2.20.1.2.gb21ebb671b