2284 	struct ip_sf_socklist *psl;  in ip_mc_source()  local
2329 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_source()
2331 		if (!psl)  in ip_mc_source()
2334 		for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2335 			rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2344 		if (psl->sl_count == 1 && omode == MCAST_INCLUDE) {  in ip_mc_source()
2353 		for (j = i+1; j < psl->sl_count; j++)  in ip_mc_source()
2354 			psl->sl_addr[j-1] = psl->sl_addr[j];  in ip_mc_source()
2355 		psl->sl_count--;  in ip_mc_source()
2361 	if (psl && psl->sl_count >= net->ipv4.sysctl_igmp_max_msf) {  in ip_mc_source()
2365 	if (!psl || psl->sl_count == psl->sl_max) {  in ip_mc_source()
2369 		if (psl)  in ip_mc_source()
2370 			count += psl->sl_max;  in ip_mc_source()
2378 		if (psl) {  in ip_mc_source()
2379 			for (i = 0; i < psl->sl_count; i++)  in ip_mc_source()
2380 				newpsl->sl_addr[i] = psl->sl_addr[i];  in ip_mc_source()
2382 			atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);  in ip_mc_source()
2383 			kfree_rcu(psl, rcu);  in ip_mc_source()
2386 		psl = newpsl;  in ip_mc_source()
2389 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2390 		rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2397 	for (j = psl->sl_count-1; j >= i; j--)  in ip_mc_source()
2398 		psl->sl_addr[j+1] = psl->sl_addr[j];  in ip_mc_source()
2399 	psl->sl_addr[i] = mreqs->imr_sourceaddr;  in ip_mc_source()
2400 	psl->sl_count++;  in ip_mc_source()
2419 	struct ip_sf_socklist *newpsl, *psl;  in ip_mc_msfilter()  local
2477 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfilter()
2478 	if (psl) {  in ip_mc_msfilter()
2480 			psl->sl_count, psl->sl_addr, 0);  in ip_mc_msfilter()
2482 		atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);  in ip_mc_msfilter()
2483 		kfree_rcu(psl, rcu);  in ip_mc_msfilter()
2505 	struct ip_sf_socklist *psl;  in ip_mc_msfget()  local
2532 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfget()
2533 	if (!psl) {  in ip_mc_msfget()
2537 		count = psl->sl_count;  in ip_mc_msfget()
2540 	len = copycount * sizeof(psl->sl_addr[0]);  in ip_mc_msfget()
2547 	    copy_to_user(&optval->imsf_slist[0], psl->sl_addr, len))  in ip_mc_msfget()
2562 	struct ip_sf_socklist *psl;  in ip_mc_gsfget()  local
2583 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_gsfget()
2584 	count = psl ? psl->sl_count : 0;  in ip_mc_gsfget()
2597 		psin->sin_addr.s_addr = psl->sl_addr[i];  in ip_mc_gsfget()
2614 	struct ip_sf_socklist *psl;  in ip_mc_sf_allow()  local
2632 	psl = rcu_dereference(pmc->sflist);  in ip_mc_sf_allow()
2634 	if (!psl)  in ip_mc_sf_allow()
2637 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_sf_allow()
2638 		if (psl->sl_addr[i] == rmt_addr)  in ip_mc_sf_allow()
2642 	if (pmc->sfmode == MCAST_INCLUDE && i >= psl->sl_count)  in ip_mc_sf_allow()
2644 	if (pmc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)  in ip_mc_sf_allow()