181 	rwlock_t	upl;		/* protects `ppp' */  member
1936 	read_lock_bh(&pch->upl);  in ppp_channel_push()
1944 	read_unlock_bh(&pch->upl);  in ppp_channel_push()
1979 	read_lock_bh(&pch->upl);  in ppp_input()
2003 	read_unlock_bh(&pch->upl);  in ppp_input()
2016 	read_lock_bh(&pch->upl);  in ppp_input_error()
2025 	read_unlock_bh(&pch->upl);  in ppp_input_error()
2578 	rwlock_init(&pch->upl);  in ppp_register_net_channel()
2610 		read_lock_bh(&pch->upl);  in ppp_unit_number()
2613 		read_unlock_bh(&pch->upl);  in ppp_unit_number()
2627 		read_lock_bh(&pch->upl);  in ppp_dev_name()
2630 		read_unlock_bh(&pch->upl);  in ppp_dev_name()
3143 	write_lock_bh(&pch->upl);  in ppp_connect_channel()
3171 	write_unlock_bh(&pch->upl);  in ppp_connect_channel()
3186 	write_lock_bh(&pch->upl);  in ppp_disconnect_channel()
3189 	write_unlock_bh(&pch->upl);  in ppp_disconnect_channel()