char: make chr_fe_deinit() optionaly delete backend

This simplifies removing a backend for a frontend user (no need to
retrieve the associated driver and separate delete call etc).

NB: many frontends have questionable handling of ending a chardev. They
should probably delete the backend to prevent broken reusage.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

1 files changed, 1 insertions, 4 deletions

diff --git a/net/vhost-user.c b/net/vhost-user.c
index 526290d8c1..a042ec6a34 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -151,10 +151,7 @@ static void vhost_user_cleanup(NetClientState *nc)
         s->vhost_net = NULL;
     }
     if (nc->queue_index == 0) {
-        Chardev *chr = qemu_chr_fe_get_driver(&s->chr);
-
-        qemu_chr_fe_deinit(&s->chr);
-        object_unparent(OBJECT(chr));
+        qemu_chr_fe_deinit(&s->chr, true);
     }
 
     qemu_purge_queued_packets(nc);