include/net/route.h
217
ip_mc_validate_source(struct sk_buff *skb, __be32 daddr, __be32 saddr,
net/ipv4/route.c
1751
reason = ip_mc_validate_source(skb, daddr, saddr, dscp, dev, in_dev,
net/ipv4/udp.c
2926
return ip_mc_validate_source(skb, iph->daddr,
