taglinefilesource code
multidev84include/linux/igmp.hstruct device *multidev[IP_MAX_MEMBERSHIPS];
multidev591net/ipv4/igmp.cif(sk->ip_mc_list->multiaddr[i]==addr && sk->ip_mc_list->multidev[i]==dev)
multidev593net/ipv4/igmp.cif(sk->ip_mc_list->multidev[i]==NULL)
multidev600net/ipv4/igmp.csk->ip_mc_list->multidev[unused]=dev;
multidev621net/ipv4/igmp.cif(sk->ip_mc_list->multiaddr[i]==addr && sk->ip_mc_list->multidev[i]==dev)
multidev623net/ipv4/igmp.csk->ip_mc_list->multidev[i]=NULL;
multidev644net/ipv4/igmp.cif(sk->ip_mc_list->multidev[i])
multidev646net/ipv4/igmp.cip_mc_dec_group(sk->ip_mc_list->multidev[i], sk->ip_mc_list->multiaddr[i]);
multidev647net/ipv4/igmp.csk->ip_mc_list->multidev[i]=NULL;