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From faea056361cd9955f41a8d8c907af32625885b0d Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@redhat.com>
Date: Thu, 23 Jan 2014 14:03:35 +0100
Subject: [PATCH 08/14] virtio-serial: switch exit callback to VirtioDeviceClass

RH-Author: Markus Armbruster <armbru@redhat.com>
Message-id: <1390485820-7585-6-git-send-email-armbru@redhat.com>
Patchwork-id: 56932
O-Subject: [PATCH 7.0 qemu-kvm 05/10] virtio-serial: switch exit callback to VirtioDeviceClass
Bugzilla: 983344
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Marcel Apfelbaum <marcel.a@redhat.com>
RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>

From: Paolo Bonzini <pbonzini@redhat.com>

This ensures hot-unplug is handled properly by the proxy, and avoids
leaking bus_name which is freed by virtio_device_exit.

Cc: qemu-stable@nongnu.org
Acked-by: Andreas Faerber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 0e86c13fe2058adb8c792ebb7c51a6a7ca9d3d55)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 hw/char/virtio-serial-bus.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 hw/char/virtio-serial-bus.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
index da417c7..57dd070 100644
--- a/hw/char/virtio-serial-bus.c
+++ b/hw/char/virtio-serial-bus.c
@@ -987,12 +987,11 @@ static const TypeInfo virtio_serial_port_type_info = {
     .class_init = virtio_serial_port_class_init,
 };
 
-static int virtio_serial_device_exit(DeviceState *dev)
+static void virtio_serial_device_exit(VirtIODevice *vdev)
 {
-    VirtIOSerial *vser = VIRTIO_SERIAL(dev);
-    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+    VirtIOSerial *vser = VIRTIO_SERIAL(vdev);
 
-    unregister_savevm(dev, "virtio-console", vser);
+    unregister_savevm(DEVICE(vdev), "virtio-console", vser);
 
     g_free(vser->ivqs);
     g_free(vser->ovqs);
@@ -1004,7 +1003,6 @@ static int virtio_serial_device_exit(DeviceState *dev)
         g_free(vser->post_load);
     }
     virtio_cleanup(vdev);
-    return 0;
 }
 
 static Property virtio_serial_properties[] = {
@@ -1016,10 +1014,10 @@ static void virtio_serial_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
-    dc->exit = virtio_serial_device_exit;
     dc->props = virtio_serial_properties;
     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
     vdc->init = virtio_serial_device_init;
+    vdc->exit = virtio_serial_device_exit;
     vdc->get_features = get_features;
     vdc->get_config = get_config;
     vdc->set_config = set_config;
-- 
1.7.1