feature: all input nodes must have same nexts

[vpp.git] / vnet / vnet / ip / icmp4.c

diff --git a/vnet/vnet/ip/icmp4.c b/vnet/vnet/ip/icmp4.c
index abad5bd..a02b529 100644 (file)
--- a/vnet/vnet/ip/icmp4.c
+++ b/vnet/vnet/ip/icmp4.c
@@ -510,8 +510,11 @@ ip4_icmp_error (vlib_main_t * vm,
       out_ip0->ttl = 0xff;
       out_ip0->protocol = IP_PROTOCOL_ICMP;
       out_ip0->dst_address = ip0->src_address;
-      if_add_index0 = 
-       lm->if_address_pool_index_by_sw_if_index[sw_if_index0];
+      if_add_index0 = ~0;
+      if (PREDICT_TRUE (vec_len (lm->if_address_pool_index_by_sw_if_index)
+                        > sw_if_index0))
+          if_add_index0 = 
+              lm->if_address_pool_index_by_sw_if_index[sw_if_index0];
       if (PREDICT_TRUE(if_add_index0 != ~0)) {
        ip_interface_address_t *if_add = 
          pool_elt_at_index(lm->if_address_pool, if_add_index0);