Fix bug #53559: IPv4 to IPv6 filtering not freeing PBUFs

Add missing pbuf_free() call
2018-04-04 21:04:14 +02:00
parent b0ae967660
commit ffdd44ec74
1 changed files with 2 additions and 0 deletions
--- a/src/core/ipv6/ip6.c
+++ b/src/core/ipv6/ip6.c
@@ -574,6 +574,8 @@ ip6_input(struct pbuf *p, struct netif *inp)
  if (ip6_addr_isipv4mappedipv6(ip_2_ip6(&ip_data.current_iphdr_dest)) ||
     ip6_addr_isipv4mappedipv6(ip_2_ip6(&ip_data.current_iphdr_src)) ||
     ip6_addr_ismulticast(ip_2_ip6(&ip_data.current_iphdr_src))) {
+    /* free (drop) packet pbufs */
+    pbuf_free(p);
    IP6_STATS_INC(ip6.err);
    IP6_STATS_INC(ip6.drop);
    return ERR_OK;