IGMP: validate the packets length in the DP

[vpp.git] / src / plugins / igmp / igmp_query.c

diff --git a/src/plugins/igmp/igmp_query.c b/src/plugins/igmp/igmp_query.c
index 1513023..ae9a4d5 100644 (file)
--- a/src/plugins/igmp/igmp_query.c
+++ b/src/plugins/igmp/igmp_query.c
@@ -36,6 +36,10 @@ igmp_query_mk_source_list (const igmp_membership_query_v3_t * q)
   const ip4_address_t *s;
   u16 ii, n;
 
+  /*
+   * we validated this packet when we accepted it in the DP, so
+   * this number is safe to use
+   */
   n = clib_net_to_host_u16 (q->n_src_addresses);
 
   if (0 == n)