2312 	struct ip_sf_socklist *psl;  in ip_mc_source()  local
2357 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_source()
2359 		if (!psl)  in ip_mc_source()
2362 		for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2363 			rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2372 		if (psl->sl_count == 1 && omode == MCAST_INCLUDE) {  in ip_mc_source()
2381 		for (j = i+1; j < psl->sl_count; j++)  in ip_mc_source()
2382 			psl->sl_addr[j-1] = psl->sl_addr[j];  in ip_mc_source()
2383 		psl->sl_count--;  in ip_mc_source()
2389 	if (psl && psl->sl_count >= READ_ONCE(net->ipv4.sysctl_igmp_max_msf)) {  in ip_mc_source()
2393 	if (!psl || psl->sl_count == psl->sl_max) {  in ip_mc_source()
2397 		if (psl)  in ip_mc_source()
2398 			count += psl->sl_max;  in ip_mc_source()
2407 		if (psl) {  in ip_mc_source()
2408 			for (i = 0; i < psl->sl_count; i++)  in ip_mc_source()
2409 				newpsl->sl_addr[i] = psl->sl_addr[i];  in ip_mc_source()
2411 			atomic_sub(struct_size(psl, sl_addr, psl->sl_max),  in ip_mc_source()
2415 		if (psl)  in ip_mc_source()
2416 			kfree_rcu(psl, rcu);  in ip_mc_source()
2417 		psl = newpsl;  in ip_mc_source()
2420 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2421 		rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2428 	for (j = psl->sl_count-1; j >= i; j--)  in ip_mc_source()
2429 		psl->sl_addr[j+1] = psl->sl_addr[j];  in ip_mc_source()
2430 	psl->sl_addr[i] = mreqs->imr_sourceaddr;  in ip_mc_source()
2431 	psl->sl_count++;  in ip_mc_source()
2450 	struct ip_sf_socklist *newpsl, *psl;  in ip_mc_msfilter()  local
2511 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfilter()
2512 	if (psl) {  in ip_mc_msfilter()
2514 			psl->sl_count, psl->sl_addr, 0);  in ip_mc_msfilter()
2516 		atomic_sub(struct_size(psl, sl_addr, psl->sl_max),  in ip_mc_msfilter()
2523 	if (psl)  in ip_mc_msfilter()
2524 		kfree_rcu(psl, rcu);  in ip_mc_msfilter()
2541 	struct ip_sf_socklist *psl;  in ip_mc_msfget()  local
2568 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfget()
2569 	if (!psl) {  in ip_mc_msfget()
2572 		count = psl->sl_count;  in ip_mc_msfget()
2575 	len = flex_array_size(psl, sl_addr, copycount);  in ip_mc_msfget()
2585 				   psl->sl_addr, len))  in ip_mc_msfget()
2600 	struct ip_sf_socklist *psl;  in ip_mc_gsfget()  local
2619 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_gsfget()
2620 	count = psl ? psl->sl_count : 0;  in ip_mc_gsfget()
2629 		psin->sin_addr.s_addr = psl->sl_addr[i];  in ip_mc_gsfget()
2646 	struct ip_sf_socklist *psl;  in ip_mc_sf_allow()  local
2664 	psl = rcu_dereference(pmc->sflist);  in ip_mc_sf_allow()
2666 	if (!psl)  in ip_mc_sf_allow()
2669 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_sf_allow()
2670 		if (psl->sl_addr[i] == rmt_addr)  in ip_mc_sf_allow()
2674 	if (pmc->sfmode == MCAST_INCLUDE && i >= psl->sl_count)  in ip_mc_sf_allow()
2676 	if (pmc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)  in ip_mc_sf_allow()