We call tap_enable() even if for multiqueue is not enabled. This is
wrong since it should be used for multiqueue codes to enable a
disabled queue. Fixing this by only calling this when multiqueue is
used.
Fixes: 16dbaf905b72 ("tap: support enabling or disabling a queue")
Reported-by: Andrew Baumann <andrew.baum...@microsoft.com>
Tested-by: Andrew Baumann <andrew.baum...@microsoft.com>
Cc: qemu-sta...@nongnu.org
Signed-off-by: Jason Wang <jasow...@redhat.com>
---
hw/net/virtio-net.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index c321680..7d091c9 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -510,6 +510,10 @@ static int peer_attach(VirtIONet *n, int index)
return 0;
}
+ if (n->max_queues == 1) {
+ return 0;
+ }
+
return tap_enable(nc->peer);
}
--
2.7.4
