X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Funix%2Ftapcli.c;fp=src%2Fvnet%2Funix%2Ftapcli.c;h=48e81b5070e04fd81dba048fea163496980a94d5;hb=18b2816551a8340a05dc69665d03707fdfcece23;hp=e9dbf729141e3256bd855467be53b711e38b393d;hpb=0ded8518cd3bc24f5f528bd42a5d2ff5c4602faf;p=vpp.git

diff --git a/src/vnet/unix/tapcli.c b/src/vnet/unix/tapcli.c
index e9dbf729141..48e81b5070e 100644
--- a/src/vnet/unix/tapcli.c
+++ b/src/vnet/unix/tapcli.c
@@ -1340,6 +1340,9 @@ tap_connect_command_fn (vlib_main_t * vm,
                                   format_unformat_error, line_input);
     }
   
+  if (intfc_name == 0)
+      return clib_error_return (0, "interface name must be specified");
+
   memset (ap, 0, sizeof (*ap));
 
   ap->intfc_name = intfc_name;