2316 	struct ip_sf_socklist *psl;  in ip_mc_source()  local
2361 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_source()
2363 		if (!psl)  in ip_mc_source()
2366 		for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2367 			rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2376 		if (psl->sl_count == 1 && omode == MCAST_INCLUDE) {  in ip_mc_source()
2385 		for (j = i+1; j < psl->sl_count; j++)  in ip_mc_source()
2386 			psl->sl_addr[j-1] = psl->sl_addr[j];  in ip_mc_source()
2387 		psl->sl_count--;  in ip_mc_source()
2393 	if (psl && psl->sl_count >= READ_ONCE(net->ipv4.sysctl_igmp_max_msf)) {  in ip_mc_source()
2397 	if (!psl || psl->sl_count == psl->sl_max) {  in ip_mc_source()
2401 		if (psl)  in ip_mc_source()
2402 			count += psl->sl_max;  in ip_mc_source()
2411 		if (psl) {  in ip_mc_source()
2412 			for (i = 0; i < psl->sl_count; i++)  in ip_mc_source()
2413 				newpsl->sl_addr[i] = psl->sl_addr[i];  in ip_mc_source()
2415 			atomic_sub(struct_size(psl, sl_addr, psl->sl_max),  in ip_mc_source()
2419 		if (psl)  in ip_mc_source()
2420 			kfree_rcu(psl, rcu);  in ip_mc_source()
2421 		psl = newpsl;  in ip_mc_source()
2424 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2425 		rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2432 	for (j = psl->sl_count-1; j >= i; j--)  in ip_mc_source()
2433 		psl->sl_addr[j+1] = psl->sl_addr[j];  in ip_mc_source()
2434 	psl->sl_addr[i] = mreqs->imr_sourceaddr;  in ip_mc_source()
2435 	psl->sl_count++;  in ip_mc_source()
2454 	struct ip_sf_socklist *newpsl, *psl;  in ip_mc_msfilter()  local
2515 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfilter()
2516 	if (psl) {  in ip_mc_msfilter()
2518 			psl->sl_count, psl->sl_addr, 0);  in ip_mc_msfilter()
2520 		atomic_sub(struct_size(psl, sl_addr, psl->sl_max),  in ip_mc_msfilter()
2527 	if (psl)  in ip_mc_msfilter()
2528 		kfree_rcu(psl, rcu);  in ip_mc_msfilter()
2545 	struct ip_sf_socklist *psl;  in ip_mc_msfget()  local
2572 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfget()
2573 	if (!psl) {  in ip_mc_msfget()
2576 		count = psl->sl_count;  in ip_mc_msfget()
2579 	len = flex_array_size(psl, sl_addr, copycount);  in ip_mc_msfget()
2589 				   psl->sl_addr, len))  in ip_mc_msfget()
2604 	struct ip_sf_socklist *psl;  in ip_mc_gsfget()  local
2623 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_gsfget()
2624 	count = psl ? psl->sl_count : 0;  in ip_mc_gsfget()
2633 		psin->sin_addr.s_addr = psl->sl_addr[i];  in ip_mc_gsfget()
2650 	struct ip_sf_socklist *psl;  in ip_mc_sf_allow()  local
2668 	psl = rcu_dereference(pmc->sflist);  in ip_mc_sf_allow()
2670 	if (!psl)  in ip_mc_sf_allow()
2673 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_sf_allow()
2674 		if (psl->sl_addr[i] == rmt_addr)  in ip_mc_sf_allow()
2678 	if (pmc->sfmode == MCAST_INCLUDE && i >= psl->sl_count)  in ip_mc_sf_allow()
2680 	if (pmc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)  in ip_mc_sf_allow()