[Qemu-devel] [PATCH 5/5] virtio-console: Simplify init callbacks

[Markus Armbruster <armbru@redhat.com>]

Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 hw/virtio-console.c |   35 +++++++++--------------------------
 1 files changed, 9 insertions(+), 26 deletions(-)

diff --git a/hw/virtio-console.c b/hw/virtio-console.c
index 713f6ef..b076331 100644
--- a/hw/virtio-console.c
+++ b/hw/virtio-console.c
@@ -74,11 +74,17 @@ static void chr_event(void *opaque, int event)
     }
 }
 
-static int generic_port_init(VirtConsole *vcon, VirtIOSerialPort *port)
+static int virtconsole_initfn(VirtIOSerialPort *port)
 {
+    VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);
     VirtIOSerialPortInfo *info = DO_UPCAST(VirtIOSerialPortInfo, qdev,
                                            vcon->port.dev.info);
 
+    if (port->id == 0 && !info->is_console) {
+        error_report("Port number 0 on virtio-serial devices reserved for virtconsole devices for backward compatibility.");
+        return -1;
+    }
+
     if (vcon->chr) {
         qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event,
                               vcon);
@@ -86,15 +92,8 @@ static int generic_port_init(VirtConsole *vcon, VirtIOSerialPort *port)
         info->guest_open = guest_open;
         info->guest_close = guest_close;
     }
-    return 0;
-}
-
-/* Virtio Console Ports */
-static int virtconsole_initfn(VirtIOSerialPort *port)
-{
-    VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);
 
-    return generic_port_init(vcon, port);
+    return 0;
 }
 
 static int virtconsole_exitfn(VirtIOSerialPort *port)
@@ -132,26 +131,10 @@ static void virtconsole_register(void)
 }
 device_init(virtconsole_register)
 
-/* Generic Virtio Serial Ports */
-static int virtserialport_initfn(VirtIOSerialPort *port)
-{
-    VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);
-
-    if (port->id == 0) {
-        /*
-         * Disallow a generic port at id 0, that's reserved for
-         * console ports.
-         */
-        error_report("Port number 0 on virtio-serial devices reserved for virtconsole devices for backward compatibility.");
-        return -1;
-    }
-    return generic_port_init(vcon, port);
-}
-
 static VirtIOSerialPortInfo virtserialport_info = {
     .qdev.name     = "virtserialport",
     .qdev.size     = sizeof(VirtConsole),
-    .init          = virtserialport_initfn,
+    .init          = virtconsole_initfn,
     .exit          = virtconsole_exitfn,
     .qdev.props = (Property[]) {
         DEFINE_PROP_UINT32("nr", VirtConsole, port.id, VIRTIO_CONSOLE_BAD_ID),
-- 
1.7.2.3