181 	rwlock_t	upl;		/* protects `ppp' and 'bridge' */  member
643 	write_lock_bh(&pch->upl);  in ppp_bridge_channels()
645 	    rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl))) {  in ppp_bridge_channels()
646 		write_unlock_bh(&pch->upl);  in ppp_bridge_channels()
651 	write_unlock_bh(&pch->upl);  in ppp_bridge_channels()
653 	write_lock_bh(&pchb->upl);  in ppp_bridge_channels()
655 	    rcu_dereference_protected(pchb->bridge, lockdep_is_held(&pchb->upl))) {  in ppp_bridge_channels()
656 		write_unlock_bh(&pchb->upl);  in ppp_bridge_channels()
661 	write_unlock_bh(&pchb->upl);  in ppp_bridge_channels()
666 	write_lock_bh(&pch->upl);  in ppp_bridge_channels()
668 	pchb = rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl));  in ppp_bridge_channels()
670 	write_unlock_bh(&pch->upl);  in ppp_bridge_channels()
684 	write_lock_bh(&pch->upl);  in ppp_unbridge_channels()
685 	pchb = rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl));  in ppp_unbridge_channels()
687 		write_unlock_bh(&pch->upl);  in ppp_unbridge_channels()
691 	write_unlock_bh(&pch->upl);  in ppp_unbridge_channels()
698 	write_lock_bh(&pchb->upl);  in ppp_unbridge_channels()
699 	pchbb = rcu_dereference_protected(pchb->bridge, lockdep_is_held(&pchb->upl));  in ppp_unbridge_channels()
702 	write_unlock_bh(&pchb->upl);  in ppp_unbridge_channels()
2186 	read_lock_bh(&pch->upl);  in ppp_channel_push()
2194 	read_unlock_bh(&pch->upl);  in ppp_channel_push()
2307 	read_lock_bh(&pch->upl);  in ppp_input()
2331 	read_unlock_bh(&pch->upl);  in ppp_input()
2344 	read_lock_bh(&pch->upl);  in ppp_input_error()
2353 	read_unlock_bh(&pch->upl);  in ppp_input_error()
2914 	rwlock_init(&pch->upl);  in ppp_register_net_channel()
2946 		read_lock_bh(&pch->upl);  in ppp_unit_number()
2949 		read_unlock_bh(&pch->upl);  in ppp_unit_number()
2963 		read_lock_bh(&pch->upl);  in ppp_dev_name()
2966 		read_unlock_bh(&pch->upl);  in ppp_dev_name()
3478 	write_lock_bh(&pch->upl);  in ppp_connect_channel()
3481 	    rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl)))  in ppp_connect_channel()
3507 	write_unlock_bh(&pch->upl);  in ppp_connect_channel()
3522 	write_lock_bh(&pch->upl);  in ppp_disconnect_channel()
3525 	write_unlock_bh(&pch->upl);  in ppp_disconnect_channel()