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[PULL 01/19] vhost-user: save features if the char dev is closed
From: |
Michael S. Tsirkin |
Subject: |
[PULL 01/19] vhost-user: save features if the char dev is closed |
Date: |
Sat, 5 Oct 2019 17:58:37 -0400 |
From: Adrian Moreno <address@hidden>
That way the state can be correctly restored when the device is opened
again. This might happen if the backend is restarted.
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1738768
Reported-by: Pei Zhang <address@hidden>
Fixes: 6ab79a20af3a ("do not call vhost_net_cleanup() on running net from char
user event")
Cc: address@hidden
Cc: Michael S. Tsirkin <address@hidden>
Cc: address@hidden
Signed-off-by: Adrian Moreno <address@hidden>
Message-Id: <address@hidden>
Acked-by: Jason Wang <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
net/vhost-user.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/vhost-user.c b/net/vhost-user.c
index 51921de443..014199d600 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -235,6 +235,10 @@ static void chr_closed_bh(void *opaque)
s = DO_UPCAST(NetVhostUserState, nc, ncs[0]);
+ if (s->vhost_net) {
+ s->acked_features = vhost_net_get_acked_features(s->vhost_net);
+ }
+
qmp_set_link(name, false, &err);
qemu_chr_fe_set_handlers(&s->chr, NULL, NULL, net_vhost_user_event,
--
MST
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