177 	rwlock_t	upl;		/* protects `ppp' */  member
1932 	read_lock_bh(&pch->upl);  in ppp_channel_push()
1940 	read_unlock_bh(&pch->upl);  in ppp_channel_push()
2015 	read_lock_bh(&pch->upl);  in ppp_input()
2039 	read_unlock_bh(&pch->upl);  in ppp_input()
2052 	read_lock_bh(&pch->upl);  in ppp_input_error()
2061 	read_unlock_bh(&pch->upl);  in ppp_input_error()
2622 	rwlock_init(&pch->upl);  in ppp_register_net_channel()
2654 		read_lock_bh(&pch->upl);  in ppp_unit_number()
2657 		read_unlock_bh(&pch->upl);  in ppp_unit_number()
2671 		read_lock_bh(&pch->upl);  in ppp_dev_name()
2674 		read_unlock_bh(&pch->upl);  in ppp_dev_name()
3187 	write_lock_bh(&pch->upl);  in ppp_connect_channel()
3215 	write_unlock_bh(&pch->upl);  in ppp_connect_channel()
3230 	write_lock_bh(&pch->upl);  in ppp_disconnect_channel()
3233 	write_unlock_bh(&pch->upl);  in ppp_disconnect_channel()