X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fdslite%2Fdslite_cli.c;h=193cb3fe24870b1145496705ffc97a50517f0d5e;hb=ae80aba3b070ad12ad4e2d587b6cdf47f0abe6e1;hp=0537957930cadaee3cee26ad0486ef73b6be62a7;hpb=49a2925b1b61bd08770a3c268aacb52fafa5631c;p=vpp.git

diff --git a/src/plugins/nat/dslite/dslite_cli.c b/src/plugins/nat/dslite/dslite_cli.c
index 0537957930c..193cb3fe248 100644
--- a/src/plugins/nat/dslite/dslite_cli.c
+++ b/src/plugins/nat/dslite/dslite_cli.c
@@ -14,6 +14,8 @@
  */
 #include <nat/dslite/dslite.h>
 
+#define DSLITE_EXPECTED_ARGUMENT "expected required argument(s)"
+
 static clib_error_t *
 dslite_add_del_pool_addr_command_fn (vlib_main_t * vm,
 				     unformat_input_t * input,
@@ -29,7 +31,7 @@ dslite_add_del_pool_addr_command_fn (vlib_main_t * vm,
 
   /* Get a line of input. */
   if (!unformat_user (input, unformat_line_input, line_input))
-    return 0;
+    return clib_error_return (0, DSLITE_EXPECTED_ARGUMENT);
 
   while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
     {
@@ -115,7 +117,7 @@ dslite_set_aftr_tunnel_addr_command_fn (vlib_main_t * vm,
 
   /* Get a line of input. */
   if (!unformat_user (input, unformat_line_input, line_input))
-    return 0;
+    return clib_error_return (0, DSLITE_EXPECTED_ARGUMENT);
 
   while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
     {
@@ -166,7 +168,7 @@ dslite_set_b4_tunnel_addr_command_fn (vlib_main_t * vm,
 
   /* Get a line of input. */
   if (!unformat_user (input, unformat_line_input, line_input))
-    return 0;
+    return clib_error_return (0, DSLITE_EXPECTED_ARGUMENT);
 
   while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
     {