From: Jon Loeliger <jdl@netgate.com>
Date: Tue, 3 Dec 2019 16:51:23 +0000 (-0600)
Subject: ip6: Fix improper MCAST adj test in IPv6 router solicitation
X-Git-Tag: v19.08.3~257
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=c2d00e343bb5fab4ad3a43ee21d8b24a72728f2f;p=vpp.git

ip6: Fix improper MCAST adj test in IPv6 router solicitation

Type: fix
Fixes: cb9cadad578297ffd78fa8a33670bdf1ab669e7e

Change-Id: Id6de9780da41db5d762fe042f533cfaf21ed7b73
Reported-by: Rajith PR <rajith@rtbrick.com>
Signed-off-by: Jon Loeliger <jdl@netgate.com>
(cherry picked from commit a90b26c1ee5bc4410c2753b6683a2e50e275daf6)
---

diff --git a/src/vnet/ip/ip6_neighbor.c b/src/vnet/ip/ip6_neighbor.c
index efc687a038b..507d1155078 100644
--- a/src/vnet/ip/ip6_neighbor.c
+++ b/src/vnet/ip/ip6_neighbor.c
@@ -1854,7 +1854,7 @@ icmp6_router_solicitation (vlib_main_t * vm,
 		      else
 			{
 			  adj_index0 = radv_info->mcast_adj_index;
-			  if (adj_index0 == 0)
+			  if (adj_index0 == ADJ_INDEX_INVALID)
 			    error0 = ICMP6_ERROR_DST_LOOKUP_MISS;
 			  else
 			    {