2102 	struct igmphdr *pim;  in pim_rcv_v1()  local
2106 	if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(struct iphdr)))  in pim_rcv_v1()
2109 	pim = igmp_hdr(skb);  in pim_rcv_v1()
2115 	    pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER)  in pim_rcv_v1()
2118 	if (__pim_rcv(mrt, skb, sizeof(*pim))) {  in pim_rcv_v1()
2129 	struct pimreghdr *pim;  in pim_rcv()  local
2133 	if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(struct iphdr)))  in pim_rcv()
2136 	pim = (struct pimreghdr *)skb_transport_header(skb);  in pim_rcv()
2137 	if (pim->type != ((PIM_VERSION << 4) | (PIM_REGISTER)) ||  in pim_rcv()
2138 	    (pim->flags & PIM_NULL_REGISTER) ||  in pim_rcv()
2139 	    (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&  in pim_rcv()
2146 	if (__pim_rcv(mrt, skb, sizeof(*pim))) {  in pim_rcv()