946 	WARN_ON(nlk_sk(sk)->groups);  in netlink_sock_destruct()
1080 	for (i = 0; i < NLGRPLONGS(tbl->groups); i++) {  in netlink_update_listeners()
1084 				mask |= nlk_sk(sk)->groups[i];  in netlink_update_listeners()
1281 			if (test_bit(i, nlk->groups))  in netlink_release()
1323 	kfree(nlk->groups);  in netlink_release()
1324 	nlk->groups = NULL;  in netlink_release()
1454 	unsigned int groups;  in netlink_realloc_groups()  local
1460 	groups = nl_table[sk->sk_protocol].groups;  in netlink_realloc_groups()
1466 	if (nlk->ngroups >= groups)  in netlink_realloc_groups()
1469 	new_groups = krealloc(nlk->groups, NLGRPSZ(groups), GFP_ATOMIC);  in netlink_realloc_groups()
1475 	       NLGRPSZ(groups) - NLGRPSZ(nlk->ngroups));  in netlink_realloc_groups()
1477 	nlk->groups = new_groups;  in netlink_realloc_groups()
1478 	nlk->ngroups = groups;  in netlink_realloc_groups()
1484 static void netlink_undo_bind(int group, long unsigned int groups,  in netlink_undo_bind()  argument
1494 		if (test_bit(undo, &groups))  in netlink_undo_bind()
1506 	long unsigned int groups = nladdr->nl_groups;  in netlink_bind()  local
1516 	if (groups) {  in netlink_bind()
1533 	if (nlk->netlink_bind && groups) {  in netlink_bind()
1537 			if (!test_bit(group, &groups))  in netlink_bind()
1542 			netlink_undo_bind(group, groups, sk);  in netlink_bind()
1555 			netlink_undo_bind(nlk->ngroups, groups, sk);  in netlink_bind()
1560 	if (!groups && (nlk->groups == NULL || !(u32)nlk->groups[0]))  in netlink_bind()
1565 					 hweight32(groups) -  in netlink_bind()
1566 					 hweight32(nlk->groups[0]));  in netlink_bind()
1567 	nlk->groups[0] = (nlk->groups[0] & ~0xffffffffUL) | groups;  in netlink_bind()
1629 		nladdr->nl_groups = nlk->groups ? nlk->groups[0] : 0;  in netlink_getname()
1937 	if (listeners && group - 1 < nl_table[sk->sk_protocol].groups)  in netlink_has_listeners()
1984 	    !test_bit(p->group - 1, nlk->groups))  in do_one_broadcast()
2110 	    !test_bit(p->group - 1, nlk->groups))  in do_one_set_err()
2163 	old = test_bit(group - 1, nlk->groups);  in netlink_update_socket_mc()
2166 		__set_bit(group - 1, nlk->groups);  in netlink_update_socket_mc()
2168 		__clear_bit(group - 1, nlk->groups);  in netlink_update_socket_mc()
2522 	unsigned int groups;  in __netlink_kernel_create()  local
2544 	if (!cfg || cfg->groups < 32)  in __netlink_kernel_create()
2545 		groups = 32;  in __netlink_kernel_create()
2547 		groups = cfg->groups;  in __netlink_kernel_create()
2549 	listeners = kzalloc(sizeof(*listeners) + NLGRPSZ(groups), GFP_KERNEL);  in __netlink_kernel_create()
2565 		nl_table[unit].groups = groups;  in __netlink_kernel_create()
2602 int __netlink_change_ngroups(struct sock *sk, unsigned int groups)  in __netlink_change_ngroups()  argument
2607 	if (groups < 32)  in __netlink_change_ngroups()
2608 		groups = 32;  in __netlink_change_ngroups()
2610 	if (NLGRPSZ(tbl->groups) < NLGRPSZ(groups)) {  in __netlink_change_ngroups()
2611 		new = kzalloc(sizeof(*new) + NLGRPSZ(groups), GFP_ATOMIC);  in __netlink_change_ngroups()
2615 		memcpy(new->masks, old->masks, NLGRPSZ(tbl->groups));  in __netlink_change_ngroups()
2620 	tbl->groups = groups;  in __netlink_change_ngroups()
2637 int netlink_change_ngroups(struct sock *sk, unsigned int groups)  in netlink_change_ngroups()  argument
2642 	err = __netlink_change_ngroups(sk, groups);  in netlink_change_ngroups()
3077 			   nlk->groups ? (u32)nlk->groups[0] : 0,  in netlink_seq_show()
3172 	int groups = 32;  in netlink_add_usersock_entry()  local
3174 	listeners = kzalloc(sizeof(*listeners) + NLGRPSZ(groups), GFP_KERNEL);  in netlink_add_usersock_entry()
3180 	nl_table[NETLINK_USERSOCK].groups = groups;  in netlink_add_usersock_entry()