X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fdhcp%2Fdhcp6_pd_client_cp.c;fp=src%2Fvnet%2Fdhcp%2Fdhcp6_pd_client_cp.c;h=a157b16d4911c62667ce3a7b798d7ab953931880;hb=035ea679d54700aee9fb86a8de436330bc8e3bc2;hp=eb18ed2889ad1b0584484cb2e467009c7e48ab60;hpb=eaea421e1fefedc47325f970475c5d48c899433c;p=vpp.git

diff --git a/src/vnet/dhcp/dhcp6_pd_client_cp.c b/src/vnet/dhcp/dhcp6_pd_client_cp.c
index eb18ed2889a..a157b16d491 100644
--- a/src/vnet/dhcp/dhcp6_pd_client_cp.c
+++ b/src/vnet/dhcp/dhcp6_pd_client_cp.c
@@ -966,26 +966,33 @@ cp_ip6_address_add_del_command_function (vlib_main_t * vm,
   u32 prefix_length;
   u8 address_set = 0;
   u8 add = 1;
+  unformat_input_t _line_input, *line_input = &_line_input;
 
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+  if (!unformat_user (input, unformat_line_input, line_input))
+    return 0;
+
+  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
     {
       if (unformat
-	  (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index));
-      else if (unformat (input, "prefix group %s", &prefix_group));
+	  (line_input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index));
+      else if (unformat (line_input, "prefix group %s", &prefix_group));
       else
-	if (unformat
-	    (input, "%U/%d", unformat_ip6_address, &address, &prefix_length))
+	if (unformat (line_input, "%U/%d", unformat_ip6_address,
+		      &address, &prefix_length))
 	address_set = 1;
-      else if (unformat (input, "del"))
+      else if (unformat (line_input, "del"))
 	add = 0;
       else
 	{
 	  error = clib_error_return (0, "unexpected input `%U'",
-				     format_unformat_error, input);
+				     format_unformat_error, line_input);
+	  unformat_free (line_input);
 	  goto done;
 	}
     }
 
+  unformat_free (line_input);
+
   if (sw_if_index == ~0)
     error = clib_error_return (0, "Missing sw_if_index");
   else if (address_set == 0)