2313 	struct ip_sf_socklist *psl;  in ip_mc_source()  local
2358 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_source()
2360 		if (!psl)  in ip_mc_source()
2363 		for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2364 			rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2373 		if (psl->sl_count == 1 && omode == MCAST_INCLUDE) {  in ip_mc_source()
2382 		for (j = i+1; j < psl->sl_count; j++)  in ip_mc_source()
2383 			psl->sl_addr[j-1] = psl->sl_addr[j];  in ip_mc_source()
2384 		psl->sl_count--;  in ip_mc_source()
2390 	if (psl && psl->sl_count >= READ_ONCE(net->ipv4.sysctl_igmp_max_msf)) {  in ip_mc_source()
2394 	if (!psl || psl->sl_count == psl->sl_max) {  in ip_mc_source()
2398 		if (psl)  in ip_mc_source()
2399 			count += psl->sl_max;  in ip_mc_source()
2408 		if (psl) {  in ip_mc_source()
2409 			for (i = 0; i < psl->sl_count; i++)  in ip_mc_source()
2410 				newpsl->sl_addr[i] = psl->sl_addr[i];  in ip_mc_source()
2412 			atomic_sub(struct_size(psl, sl_addr, psl->sl_max),  in ip_mc_source()
2416 		if (psl)  in ip_mc_source()
2417 			kfree_rcu(psl, rcu);  in ip_mc_source()
2418 		psl = newpsl;  in ip_mc_source()
2421 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2422 		rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2429 	for (j = psl->sl_count-1; j >= i; j--)  in ip_mc_source()
2430 		psl->sl_addr[j+1] = psl->sl_addr[j];  in ip_mc_source()
2431 	psl->sl_addr[i] = mreqs->imr_sourceaddr;  in ip_mc_source()
2432 	psl->sl_count++;  in ip_mc_source()
2451 	struct ip_sf_socklist *newpsl, *psl;  in ip_mc_msfilter()  local
2512 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfilter()
2513 	if (psl) {  in ip_mc_msfilter()
2515 			psl->sl_count, psl->sl_addr, 0);  in ip_mc_msfilter()
2517 		atomic_sub(struct_size(psl, sl_addr, psl->sl_max),  in ip_mc_msfilter()
2524 	if (psl)  in ip_mc_msfilter()
2525 		kfree_rcu(psl, rcu);  in ip_mc_msfilter()
2542 	struct ip_sf_socklist *psl;  in ip_mc_msfget()  local
2569 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfget()
2570 	if (!psl) {  in ip_mc_msfget()
2573 		count = psl->sl_count;  in ip_mc_msfget()
2576 	len = flex_array_size(psl, sl_addr, copycount);  in ip_mc_msfget()
2586 				   psl->sl_addr, len))  in ip_mc_msfget()
2601 	struct ip_sf_socklist *psl;  in ip_mc_gsfget()  local
2620 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_gsfget()
2621 	count = psl ? psl->sl_count : 0;  in ip_mc_gsfget()
2630 		psin->sin_addr.s_addr = psl->sl_addr[i];  in ip_mc_gsfget()
2647 	struct ip_sf_socklist *psl;  in ip_mc_sf_allow()  local
2665 	psl = rcu_dereference(pmc->sflist);  in ip_mc_sf_allow()
2667 	if (!psl)  in ip_mc_sf_allow()
2670 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_sf_allow()
2671 		if (psl->sl_addr[i] == rmt_addr)  in ip_mc_sf_allow()
2675 	if (pmc->sfmode == MCAST_INCLUDE && i >= psl->sl_count)  in ip_mc_sf_allow()
2677 	if (pmc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)  in ip_mc_sf_allow()