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net/virtio: return error when device_opts arg is NULL

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This fixes CID 1407222.

Fixes: 9711cd0dfc ("net/virtio: add failover support")
Signed-off-by: Jens Freimann <jfreimann@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Jens Freimann 2019-11-20 16:49:51 +01:00 committed by Jason Wang
parent 150ab54aa6
commit 4d0e59ace2
1 changed files with 6 additions and 3 deletions
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9
hw/net/virtio-net.c
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@ -2880,9 +2880,12 @@ static int virtio_net_primary_should_be_hidden(DeviceListener *listener,
QemuOpts *device_opts)
{
VirtIONet *n = container_of(listener, VirtIONet, primary_listener);
bool match_found;
bool hide;
bool match_found = false;
bool hide = false;
if (!device_opts) {
return -1;
}
n->primary_device_dict = qemu_opts_to_qdict(device_opts,
n->primary_device_dict);
if (n->primary_device_dict) {
@ -2890,7 +2893,7 @@ static int virtio_net_primary_should_be_hidden(DeviceListener *listener,
n->standby_id = g_strdup(qdict_get_try_str(n->primary_device_dict,
"failover_pair_id"));
}
if (device_opts && g_strcmp0(n->standby_id, n->netclient_name) == 0) {
if (g_strcmp0(n->standby_id, n->netclient_name) == 0) {
match_found = true;
} else {
match_found = false;