2171 	struct ip_sf_socklist *psl;  in ip_mc_source()  local
2216 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_source()
2218 		if (!psl)  in ip_mc_source()
2221 		for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2222 			rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2231 		if (psl->sl_count == 1 && omode == MCAST_INCLUDE) {  in ip_mc_source()
2240 		for (j = i+1; j < psl->sl_count; j++)  in ip_mc_source()
2241 			psl->sl_addr[j-1] = psl->sl_addr[j];  in ip_mc_source()
2242 		psl->sl_count--;  in ip_mc_source()
2248 	if (psl && psl->sl_count >= sysctl_igmp_max_msf) {  in ip_mc_source()
2252 	if (!psl || psl->sl_count == psl->sl_max) {  in ip_mc_source()
2256 		if (psl)  in ip_mc_source()
2257 			count += psl->sl_max;  in ip_mc_source()
2265 		if (psl) {  in ip_mc_source()
2266 			for (i = 0; i < psl->sl_count; i++)  in ip_mc_source()
2267 				newpsl->sl_addr[i] = psl->sl_addr[i];  in ip_mc_source()
2269 			atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);  in ip_mc_source()
2270 			kfree_rcu(psl, rcu);  in ip_mc_source()
2273 		psl = newpsl;  in ip_mc_source()
2276 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_source()
2277 		rv = memcmp(&psl->sl_addr[i], &mreqs->imr_sourceaddr,  in ip_mc_source()
2284 	for (j = psl->sl_count-1; j >= i; j--)  in ip_mc_source()
2285 		psl->sl_addr[j+1] = psl->sl_addr[j];  in ip_mc_source()
2286 	psl->sl_addr[i] = mreqs->imr_sourceaddr;  in ip_mc_source()
2287 	psl->sl_count++;  in ip_mc_source()
2306 	struct ip_sf_socklist *newpsl, *psl;  in ip_mc_msfilter()  local
2364 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfilter()
2365 	if (psl) {  in ip_mc_msfilter()
2367 			psl->sl_count, psl->sl_addr, 0);  in ip_mc_msfilter()
2369 		atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);  in ip_mc_msfilter()
2370 		kfree_rcu(psl, rcu);  in ip_mc_msfilter()
2392 	struct ip_sf_socklist *psl;  in ip_mc_msfget()  local
2419 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_msfget()
2420 	if (!psl) {  in ip_mc_msfget()
2424 		count = psl->sl_count;  in ip_mc_msfget()
2427 	len = copycount * sizeof(psl->sl_addr[0]);  in ip_mc_msfget()
2434 	    copy_to_user(&optval->imsf_slist[0], psl->sl_addr, len))  in ip_mc_msfget()
2449 	struct ip_sf_socklist *psl;  in ip_mc_gsfget()  local
2470 	psl = rtnl_dereference(pmc->sflist);  in ip_mc_gsfget()
2471 	count = psl ? psl->sl_count : 0;  in ip_mc_gsfget()
2484 		psin->sin_addr.s_addr = psl->sl_addr[i];  in ip_mc_gsfget()
2500 	struct ip_sf_socklist *psl;  in ip_mc_sf_allow()  local
2517 	psl = rcu_dereference(pmc->sflist);  in ip_mc_sf_allow()
2519 	if (!psl)  in ip_mc_sf_allow()
2522 	for (i = 0; i < psl->sl_count; i++) {  in ip_mc_sf_allow()
2523 		if (psl->sl_addr[i] == rmt_addr)  in ip_mc_sf_allow()
2527 	if (pmc->sfmode == MCAST_INCLUDE && i >= psl->sl_count)  in ip_mc_sf_allow()
2529 	if (pmc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)  in ip_mc_sf_allow()