X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_urpf_list.c;h=d5a406e6191608d71ab756bbe127abeb604fb4a8;hb=498b3a56c9b61582b237614193920be610eaca58;hp=263812ade4018c854a9483282ac5e02dccb071ab;hpb=7cd468a3d7dee7d6c92f69a0bb7061ae208ec727;p=vpp.git

diff --git a/src/vnet/fib/fib_urpf_list.c b/src/vnet/fib/fib_urpf_list.c
index 263812ade40..d5a406e6191 100644
--- a/src/vnet/fib/fib_urpf_list.c
+++ b/src/vnet/fib/fib_urpf_list.c
@@ -22,23 +22,31 @@
 fib_urpf_list_t *fib_urpf_list_pool;
 
 u8 *
-format_fib_urpf_list (u8 *s, va_list args)
+format_fib_urpf_list (u8 *s, va_list *args)
 {
     fib_urpf_list_t *urpf;
     index_t ui;
     u32 *swi;
 
-    ui = va_arg(args, index_t);
-    urpf = fib_urpf_list_get(ui);
+    ui = va_arg(*args, index_t);
+
+    if (INDEX_INVALID != ui)
+    {
+        urpf = fib_urpf_list_get(ui);
 
-    s = format(s, "uPRF-list:%d len:%d itfs:[",
-	       ui, vec_len(urpf->furpf_itfs));
+        s = format(s, "uPRF-list:%d len:%d itfs:[",
+                   ui, vec_len(urpf->furpf_itfs));
 
-    vec_foreach(swi, urpf->furpf_itfs)
+        vec_foreach(swi, urpf->furpf_itfs)
+        {
+            s = format(s, "%d, ", *swi);
+        }
+        s = format(s, "]");
+    }
+    else
     {
-	s = format(s, "%d, ", *swi);
+        s = format(s, "uRPF-list: None");
     }
-    s = format(s, "]");
 
     return (s);
 }