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char: make chr_fe_deinit() optionaly delete backend

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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>
This commit is contained in:
Marc-André Lureau 2017-01-27 00:49:13 +04:00
parent a9b1ca38c2
commit 1ce2610c10
16 changed files with 34 additions and 58 deletions
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5
net/vhost-user.c
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@ -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);