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-rw-r--r--vnet/vnet/ip/ip4_forward.c4
-rw-r--r--vnet/vnet/ip/ip6_forward.c4
2 files changed, 6 insertions, 2 deletions
diff --git a/vnet/vnet/ip/ip4_forward.c b/vnet/vnet/ip/ip4_forward.c
index 63bc0ed8fbf..a50664cc662 100644
--- a/vnet/vnet/ip/ip4_forward.c
+++ b/vnet/vnet/ip/ip4_forward.c
@@ -242,7 +242,9 @@ void ip4_add_del_route (ip4_main_t * im, ip4_add_del_route_args_t * a)
old_adj_index = fib->old_hash_values[0];
/* Avoid spurious reference count increments */
- if (old_adj_index == adj_index && !(a->flags & IP4_ROUTE_FLAG_KEEP_OLD_ADJACENCY))
+ if (old_adj_index == adj_index
+ && adj_index != ~0
+ && !(a->flags & IP4_ROUTE_FLAG_KEEP_OLD_ADJACENCY))
{
ip_adjacency_t * adj = ip_get_adjacency (lm, adj_index);
if (adj->share_count > 0)
diff --git a/vnet/vnet/ip/ip6_forward.c b/vnet/vnet/ip/ip6_forward.c
index e57269a0844..e82e0a6b472 100644
--- a/vnet/vnet/ip/ip6_forward.c
+++ b/vnet/vnet/ip/ip6_forward.c
@@ -271,7 +271,9 @@ void ip6_add_del_route (ip6_main_t * im, ip6_add_del_route_args_t * a)
}
/* Avoid spurious reference count increments */
- if (old_adj_index == adj_index && !(a->flags & IP6_ROUTE_FLAG_KEEP_OLD_ADJACENCY))
+ if (old_adj_index == adj_index
+ && adj_index != ~0
+ && !(a->flags & IP6_ROUTE_FLAG_KEEP_OLD_ADJACENCY))
{
ip_adjacency_t * adj = ip_get_adjacency (lm, adj_index);
if (adj->share_count > 0)