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-rw-r--r--src/vnet/ip6-nd/ip6_ra.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/ip6-nd/ip6_ra.c b/src/vnet/ip6-nd/ip6_ra.c
index 769f9dabe5c..af82a06eb2b 100644
--- a/src/vnet/ip6-nd/ip6_ra.c
+++ b/src/vnet/ip6-nd/ip6_ra.c
@@ -1219,6 +1219,9 @@ check_send_rs (vlib_main_t * vm, ip6_ra_t * radv_info, f64 current_time,
next_index = ip6_rewrite_mcast_node.index;
c0 = vlib_buffer_copy (vm, p0);
+ if (c0 == NULL)
+ return radv_info->keep_sending_rs;
+
ci0 = vlib_get_buffer_index (vm, c0);
f = vlib_get_frame_to_node (vm, next_index);