193 	rwlock_t	upl;		/* protects `ppp' and 'bridge' */  member
655 	write_lock_bh(&pch->upl);  in ppp_bridge_channels()
657 	    rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl))) {  in ppp_bridge_channels()
658 		write_unlock_bh(&pch->upl);  in ppp_bridge_channels()
663 	write_unlock_bh(&pch->upl);  in ppp_bridge_channels()
665 	write_lock_bh(&pchb->upl);  in ppp_bridge_channels()
667 	    rcu_dereference_protected(pchb->bridge, lockdep_is_held(&pchb->upl))) {  in ppp_bridge_channels()
668 		write_unlock_bh(&pchb->upl);  in ppp_bridge_channels()
673 	write_unlock_bh(&pchb->upl);  in ppp_bridge_channels()
678 	write_lock_bh(&pch->upl);  in ppp_bridge_channels()
680 	pchb = rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl));  in ppp_bridge_channels()
682 	write_unlock_bh(&pch->upl);  in ppp_bridge_channels()
696 	write_lock_bh(&pch->upl);  in ppp_unbridge_channels()
697 	pchb = rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl));  in ppp_unbridge_channels()
699 		write_unlock_bh(&pch->upl);  in ppp_unbridge_channels()
703 	write_unlock_bh(&pch->upl);  in ppp_unbridge_channels()
710 	write_lock_bh(&pchb->upl);  in ppp_unbridge_channels()
711 	pchbb = rcu_dereference_protected(pchb->bridge, lockdep_is_held(&pchb->upl));  in ppp_unbridge_channels()
714 	write_unlock_bh(&pchb->upl);  in ppp_unbridge_channels()
2201 	read_lock_bh(&pch->upl);  in ppp_channel_push()
2209 	read_unlock_bh(&pch->upl);  in ppp_channel_push()
2322 	read_lock_bh(&pch->upl);  in ppp_input()
2346 	read_unlock_bh(&pch->upl);  in ppp_input()
2359 	read_lock_bh(&pch->upl);  in ppp_input_error()
2368 	read_unlock_bh(&pch->upl);  in ppp_input_error()
2928 	rwlock_init(&pch->upl);  in ppp_register_net_channel()
2960 		read_lock_bh(&pch->upl);  in ppp_unit_number()
2963 		read_unlock_bh(&pch->upl);  in ppp_unit_number()
2977 		read_lock_bh(&pch->upl);  in ppp_dev_name()
2980 		read_unlock_bh(&pch->upl);  in ppp_dev_name()
3492 	write_lock_bh(&pch->upl);  in ppp_connect_channel()
3495 	    rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl)))  in ppp_connect_channel()
3525 	write_unlock_bh(&pch->upl);  in ppp_connect_channel()
3540 	write_lock_bh(&pch->upl);  in ppp_disconnect_channel()
3543 	write_unlock_bh(&pch->upl);  in ppp_disconnect_channel()