taglinefilesource code
ipo332net/ipv4/packet.cstruct inet_packet_opt *ipo=(struct inet_packet_opt *)this;
ipo333net/ipv4/packet.cif(msg==NETDEV_DOWN && data==ipo->bound_dev)
ipo338net/ipv4/packet.cipo->bound_dev=NULL;
ipo339net/ipv4/packet.cdev_remove_pack(ipo->prot_hook);
ipo340net/ipv4/packet.ckfree(ipo->prot_hook);
ipo341net/ipv4/packet.cipo->prot_hook=NULL;