179 	rwlock_t	upl;		/* protects `ppp' */  member
2036 	read_lock_bh(&pch->upl);  in ppp_channel_push()
2044 	read_unlock_bh(&pch->upl);  in ppp_channel_push()
2119 	read_lock_bh(&pch->upl);  in ppp_input()
2143 	read_unlock_bh(&pch->upl);  in ppp_input()
2156 	read_lock_bh(&pch->upl);  in ppp_input_error()
2165 	read_unlock_bh(&pch->upl);  in ppp_input_error()
2726 	rwlock_init(&pch->upl);  in ppp_register_net_channel()
2758 		read_lock_bh(&pch->upl);  in ppp_unit_number()
2761 		read_unlock_bh(&pch->upl);  in ppp_unit_number()
2775 		read_lock_bh(&pch->upl);  in ppp_dev_name()
2778 		read_unlock_bh(&pch->upl);  in ppp_dev_name()
3287 	write_lock_bh(&pch->upl);  in ppp_connect_channel()
3315 	write_unlock_bh(&pch->upl);  in ppp_connect_channel()
3330 	write_lock_bh(&pch->upl);  in ppp_disconnect_channel()
3333 	write_unlock_bh(&pch->upl);  in ppp_disconnect_channel()