linux-cp: fix coverity defect
Type: fix
If no host interface name is passed to the CLI command which creates
an interface pair, NULL gets passed to lcp_itf_pair_create() and a
seg fault occurs. Check whether a host interface name was provided
and fail gracefully if none was given.
@@ -72,6 +72,12 @@ lcp_itf_pair_create_command_fn (vlib_main_t *vm, unformat_input_t *input,
unformat_free (line_input);
+ if (!host_if_name)
+ {
+ vec_free (ns);
+ return clib_error_return (0, "host interface name required");
+ }
+
if (sw_if_index == ~0)
{
vec_free (host_if_name);
