2404 	struct ip_sf_socklist *psl;  in ip_mc_source()  local
2449 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_source()
2451 		if (!psl)  in ip_mc_source()
2454 		for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2455 			rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2464 		if (psl->sl_count == 1 && omode == MCAST_INCLUDE) {  in ip_mc_source()
2473 		for (j = i+1; j < psl->sl_count; j++)  in ip_mc_source()
2474 			psl->sl_addr[j-1] = psl->sl_addr[j];  in ip_mc_source()
2475 		psl->sl_count--;  in ip_mc_source()
2481 	if (psl && psl->sl_count >= READ_ONCE(net->ipv4.sysctl_igmp_max_msf)) {  in ip_mc_source()
2485 	if (!psl || psl->sl_count == psl->sl_max) {  in ip_mc_source()
2489 		if (psl)  in ip_mc_source()
2490 			count += psl->sl_max;  in ip_mc_source()
2499 		if (psl) {  in ip_mc_source()
2500 			for (i = 0; i < psl->sl_count; i++)  in ip_mc_source()
2501 				newpsl->sl_addr[i] = psl->sl_addr[i];  in ip_mc_source()
2503 			atomic_sub(struct_size(psl, sl_addr, psl->sl_max),  in ip_mc_source()
2507 		if (psl)  in ip_mc_source()
2508 			kfree_rcu(psl, rcu);  in ip_mc_source()
2509 		psl = newpsl;  in ip_mc_source()
2512 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2513 		rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2520 	for (j = psl->sl_count-1; j >= i; j--)  in ip_mc_source()
2521 		psl->sl_addr[j+1] = psl->sl_addr[j];  in ip_mc_source()
2522 	psl->sl_addr[i] = mreqs->imr_sourceaddr;  in ip_mc_source()
2523 	psl->sl_count++;  in ip_mc_source()
2542 	struct ip_sf_socklist *newpsl, *psl;  in ip_mc_msfilter()  local
2603 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfilter()
2604 	if (psl) {  in ip_mc_msfilter()
2606 			psl->sl_count, psl->sl_addr, 0);  in ip_mc_msfilter()
2608 		atomic_sub(struct_size(psl, sl_addr, psl->sl_max),  in ip_mc_msfilter()
2615 	if (psl)  in ip_mc_msfilter()
2616 		kfree_rcu(psl, rcu);  in ip_mc_msfilter()
2633 	struct ip_sf_socklist *psl;  in ip_mc_msfget()  local
2660 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfget()
2661 	if (!psl) {  in ip_mc_msfget()
2664 		count = psl->sl_count;  in ip_mc_msfget()
2667 	len = flex_array_size(psl, sl_addr, copycount);  in ip_mc_msfget()
2677 				   psl->sl_addr, len))  in ip_mc_msfget()
2692 	struct ip_sf_socklist *psl;  in ip_mc_gsfget()  local
2711 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_gsfget()
2712 	count = psl ? psl->sl_count : 0;  in ip_mc_gsfget()
2721 		psin->sin_addr.s_addr = psl->sl_addr[i];  in ip_mc_gsfget()
2738 	struct ip_sf_socklist *psl;  in ip_mc_sf_allow()  local
2756 	psl = rcu_dereference(pmc->sflist);  in ip_mc_sf_allow()
2758 	if (!psl)  in ip_mc_sf_allow()
2761 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_sf_allow()
2762 		if (psl->sl_addr[i] == rmt_addr)  in ip_mc_sf_allow()
2766 	if (pmc->sfmode == MCAST_INCLUDE && i >= psl->sl_count)  in ip_mc_sf_allow()
2768 	if (pmc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)  in ip_mc_sf_allow()