commit aea54eb912e628fc58b74f9b8259ebcc4986a9c3
author Benoît Ganne <bganne@cisco.com> Mon Jan 18 19:37:55 2021 +0100
committer Damjan Marion <dmarion@me.com> Thu Jan 21 13:31:15 2021 +0000
tree 8ded01c85ada65c51915168a6159263d4b55a1eb
parent 7559418657b81e802e6582422d01188c01cf5079

ip: do not return uninitialized IPv6 ll attributes

Type: fix

Change-Id: If35cf7da0c3d1b92532cc2e45c164d6b5a08592c
Signed-off-by: Benoît Ganne <bganne@cisco.com>

src/vnet/ip/ip6_link.c

diff --git a/src/vnet/ip/ip6_link.c b/src/vnet/ip/ip6_link.c
index 082033a..0527b2f 100644
--- a/src/vnet/ip/ip6_link.c
+++ b/src/vnet/ip/ip6_link.c
@@ -319,9 +319,10 @@
 {
   const ip6_link_t *il;
 
-  vec_validate (ip6_links, sw_if_index);
+  il = ip6_link_get (sw_if_index);
 
-  il = &ip6_links[sw_if_index];
+  if (NULL == il)
+    return (NULL);
 
   return (&il->il_ll_addr);
 }
@@ -331,7 +332,10 @@
 {
   const ip6_link_t *il;
 
-  il = &ip6_links[sw_if_index];
+  il = ip6_link_get (sw_if_index);
+
+  if (NULL == il)
+    return (INDEX_INVALID);
 
   return (il->il_mcast_adj);
 }