960 	WARN_ON(nlk_sk(sk)->groups);  in netlink_sock_destruct()
1094 	for (i = 0; i < NLGRPLONGS(tbl->groups); i++) {  in netlink_update_listeners()
1098 				mask |= nlk_sk(sk)->groups[i];  in netlink_update_listeners()
1296 			if (test_bit(i, nlk->groups))  in netlink_release()
1338 	kfree(nlk->groups);  in netlink_release()
1339 	nlk->groups = NULL;  in netlink_release()
1473 	unsigned int groups;  in netlink_realloc_groups()  local
1479 	groups = nl_table[sk->sk_protocol].groups;  in netlink_realloc_groups()
1485 	if (nlk->ngroups >= groups)  in netlink_realloc_groups()
1488 	new_groups = krealloc(nlk->groups, NLGRPSZ(groups), GFP_ATOMIC);  in netlink_realloc_groups()
1494 	       NLGRPSZ(groups) - NLGRPSZ(nlk->ngroups));  in netlink_realloc_groups()
1496 	nlk->groups = new_groups;  in netlink_realloc_groups()
1497 	nlk->ngroups = groups;  in netlink_realloc_groups()
1503 static void netlink_undo_bind(int group, long unsigned int groups,  in netlink_undo_bind()  argument
1513 		if (test_bit(undo, &groups))  in netlink_undo_bind()
1525 	long unsigned int groups = nladdr->nl_groups;  in netlink_bind()  local
1535 	if (groups) {  in netlink_bind()
1552 	if (nlk->netlink_bind && groups) {  in netlink_bind()
1556 			if (!test_bit(group, &groups))  in netlink_bind()
1561 			netlink_undo_bind(group, groups, sk);  in netlink_bind()
1574 			netlink_undo_bind(nlk->ngroups, groups, sk);  in netlink_bind()
1579 	if (!groups && (nlk->groups == NULL || !(u32)nlk->groups[0]))  in netlink_bind()
1584 					 hweight32(groups) -  in netlink_bind()
1585 					 hweight32(nlk->groups[0]));  in netlink_bind()
1586 	nlk->groups[0] = (nlk->groups[0] & ~0xffffffffUL) | groups;  in netlink_bind()
1648 		nladdr->nl_groups = nlk->groups ? nlk->groups[0] : 0;  in netlink_getname()
1962 	if (listeners && group - 1 < nl_table[sk->sk_protocol].groups)  in netlink_has_listeners()
2009 	    !test_bit(p->group - 1, nlk->groups))  in do_one_broadcast()
2154 	    !test_bit(p->group - 1, nlk->groups))  in do_one_set_err()
2207 	old = test_bit(group - 1, nlk->groups);  in netlink_update_socket_mc()
2210 		__set_bit(group - 1, nlk->groups);  in netlink_update_socket_mc()
2212 		__clear_bit(group - 1, nlk->groups);  in netlink_update_socket_mc()
2381 			if (put_user((u32)(nlk->groups[idx] >> shift),  in netlink_getsockopt()
2627 	unsigned int groups;  in __netlink_kernel_create()  local
2642 	if (!cfg || cfg->groups < 32)  in __netlink_kernel_create()
2643 		groups = 32;  in __netlink_kernel_create()
2645 		groups = cfg->groups;  in __netlink_kernel_create()
2647 	listeners = kzalloc(sizeof(*listeners) + NLGRPSZ(groups), GFP_KERNEL);  in __netlink_kernel_create()
2663 		nl_table[unit].groups = groups;  in __netlink_kernel_create()
2703 int __netlink_change_ngroups(struct sock *sk, unsigned int groups)  in __netlink_change_ngroups()  argument
2708 	if (groups < 32)  in __netlink_change_ngroups()
2709 		groups = 32;  in __netlink_change_ngroups()
2711 	if (NLGRPSZ(tbl->groups) < NLGRPSZ(groups)) {  in __netlink_change_ngroups()
2712 		new = kzalloc(sizeof(*new) + NLGRPSZ(groups), GFP_ATOMIC);  in __netlink_change_ngroups()
2716 		memcpy(new->masks, old->masks, NLGRPSZ(tbl->groups));  in __netlink_change_ngroups()
2721 	tbl->groups = groups;  in __netlink_change_ngroups()
2738 int netlink_change_ngroups(struct sock *sk, unsigned int groups)  in netlink_change_ngroups()  argument
2743 	err = __netlink_change_ngroups(sk, groups);  in netlink_change_ngroups()
3184 			   nlk->groups ? (u32)nlk->groups[0] : 0,  in netlink_seq_show()
3279 	int groups = 32;  in netlink_add_usersock_entry()  local
3281 	listeners = kzalloc(sizeof(*listeners) + NLGRPSZ(groups), GFP_KERNEL);  in netlink_add_usersock_entry()
3287 	nl_table[NETLINK_USERSOCK].groups = groups;  in netlink_add_usersock_entry()