[Qemu-devel] [PATCH] bugfix: cannot remove chardev after the vhost-user does hot add/del pci device

[zhangkun]

From: zhangkun <address@hidden>

step for vhost-user hotplug:

1.hot add
  chardev-add backend=socket,id=charnet0,path=/var/run/vhost-user/tap0
  netdev_add type=vhost-user,id=hostnet0,chardev=charnet0
  device_add virtio-net-pci,netdev=hostnet0,id=net0

2.hot del
  device_del net0
  netdev_del hostnet0
  chardev-remove charnet0

Signed-off-by: zhangkun <address@hidden>
---
 net/vhost-user.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/vhost-user.c b/net/vhost-user.c
index 24e050c..d6936ca 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -72,6 +72,7 @@ static void vhost_user_cleanup(NetClientState *nc)
     VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc);
 
     vhost_user_stop(s);
+    qemu_chr_add_handlers(s->chr, NULL, NULL, NULL, NULL);
     qemu_purge_queued_packets(nc);
 }
 
-- 
1.7.12.4