lb_vip_command_fn param redundancy when unformat ip address(VPP-977)

Change-Id: I92de5b9ed42cda6c0438b8dc71892d322b642a70
Signed-off-by: flyingeagle23 <wang.hui56@zte.com.cn>

diff --git a/src/plugins/lb/cli.c b/src/plugins/lb/cli.c
index 6452a87..f6d6520 100644 (file)
--- a/src/plugins/lb/cli.c
+++ b/src/plugins/lb/cli.c
@@ -33,7 +33,7 @@ lb_vip_command_fn (vlib_main_t * vm,
   if (!unformat_user (input, unformat_line_input, line_input))
     return 0;
 
-  if (!unformat(line_input, "%U", unformat_ip46_prefix, &prefix, &plen, IP46_TYPE_ANY, &plen)) {
+  if (!unformat(line_input, "%U", unformat_ip46_prefix, &prefix, &plen, IP46_TYPE_ANY)) {
     error = clib_error_return (0, "invalid vip prefix: '%U'",
                                format_unformat_error, line_input);
     goto done;