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-rw-r--r--src/vnet/devices/tap/tap.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/vnet/devices/tap/tap.c b/src/vnet/devices/tap/tap.c
index 2cca1fb7771..2d075f9e0fc 100644
--- a/src/vnet/devices/tap/tap.c
+++ b/src/vnet/devices/tap/tap.c
@@ -625,10 +625,12 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args)
ethernet_mac_address_generate (args->mac_addr.bytes);
clib_memcpy (vif->mac_addr, args->mac_addr.bytes, 6);
- vif->host_bridge = format (0, "%s%c", args->host_bridge, 0);
+ if (args->host_bridge)
+ vif->host_bridge = format (0, "%s%c", args->host_bridge, 0);
}
vif->host_if_name = format (0, "%s%c", host_if_name, 0);
- vif->net_ns = format (0, "%s%c", args->host_namespace, 0);
+ if (args->host_namespace)
+ vif->net_ns = format (0, "%s%c", args->host_namespace, 0);
vif->host_mtu_size = args->host_mtu_size;
vif->tap_flags = args->tap_flags;
clib_memcpy (vif->host_mac_addr, args->host_mac_addr.bytes, 6);