533 			struct ip_mreqn mreq;  in ip_setsockopt()  local
544 				if (copy_from_user(&mreq,optval,sizeof(mreq)))  in ip_setsockopt()
547 				memset(&mreq, 0, sizeof(mreq));  in ip_setsockopt()
549 				    copy_from_user(&mreq.imr_address,optval,sizeof(struct in_addr)))  in ip_setsockopt()
553 			if (!mreq.imr_ifindex) {  in ip_setsockopt()
554 				if (mreq.imr_address.s_addr == INADDR_ANY) {  in ip_setsockopt()
560 				dev = ip_dev_find(mreq.imr_address.s_addr);  in ip_setsockopt()
562 					mreq.imr_ifindex = dev->ifindex;  in ip_setsockopt()
566 				dev = __dev_get_by_index(mreq.imr_ifindex);  in ip_setsockopt()
574 			if (sk->bound_dev_if && mreq.imr_ifindex != sk->bound_dev_if)  in ip_setsockopt()
577 			sk->protinfo.af_inet.mc_index = mreq.imr_ifindex;  in ip_setsockopt()
578 			sk->protinfo.af_inet.mc_addr  = mreq.imr_address.s_addr;  in ip_setsockopt()
586 			struct ip_mreqn mreq;  in ip_setsockopt()  local
592 				if(copy_from_user(&mreq,optval,sizeof(mreq)))  in ip_setsockopt()
595 				memset(&mreq, 0, sizeof(mreq));  in ip_setsockopt()
596 				if (copy_from_user(&mreq,optval,sizeof(struct ip_mreq)))  in ip_setsockopt()
601 				err = ip_mc_join_group(sk, &mreq);  in ip_setsockopt()
603 				err = ip_mc_leave_group(sk, &mreq);  in ip_setsockopt()
665 				struct ip_mreqn mreq;  in ip_setsockopt()  local
667 				mreq.imr_multiaddr.s_addr = mreqs.imr_multiaddr;  in ip_setsockopt()
668 				mreq.imr_address.s_addr = mreqs.imr_interface;  in ip_setsockopt()
669 				mreq.imr_ifindex = 0;  in ip_setsockopt()
670 				err = ip_mc_join_group(sk, &mreq);  in ip_setsockopt()
687 			struct ip_mreqn mreq;  in ip_setsockopt()  local
697 			memset(&mreq, 0, sizeof(mreq));  in ip_setsockopt()
698 			mreq.imr_multiaddr = psin->sin_addr;  in ip_setsockopt()
699 			mreq.imr_ifindex = greq.gr_interface;  in ip_setsockopt()
702 				err = ip_mc_join_group(sk, &mreq);  in ip_setsockopt()
704 				err = ip_mc_leave_group(sk, &mreq);  in ip_setsockopt()
741 				struct ip_mreqn mreq;  in ip_setsockopt()  local
744 				mreq.imr_multiaddr = psin->sin_addr;  in ip_setsockopt()
745 				mreq.imr_address.s_addr = 0;  in ip_setsockopt()
746 				mreq.imr_ifindex = greqs.gsr_interface;  in ip_setsockopt()
747 				err = ip_mc_join_group(sk, &mreq);  in ip_setsockopt()
750 				greqs.gsr_interface = mreq.imr_ifindex;  in ip_setsockopt()