180 	rwlock_t	upl;		/* protects `ppp' and 'bridge' */  member
626 	write_lock_bh(&pch->upl);  in ppp_bridge_channels()
628 	    rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl))) {  in ppp_bridge_channels()
629 		write_unlock_bh(&pch->upl);  in ppp_bridge_channels()
634 	write_unlock_bh(&pch->upl);  in ppp_bridge_channels()
636 	write_lock_bh(&pchb->upl);  in ppp_bridge_channels()
638 	    rcu_dereference_protected(pchb->bridge, lockdep_is_held(&pchb->upl))) {  in ppp_bridge_channels()
639 		write_unlock_bh(&pchb->upl);  in ppp_bridge_channels()
644 	write_unlock_bh(&pchb->upl);  in ppp_bridge_channels()
649 	write_lock_bh(&pch->upl);  in ppp_bridge_channels()
651 	pchb = rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl));  in ppp_bridge_channels()
653 	write_unlock_bh(&pch->upl);  in ppp_bridge_channels()
667 	write_lock_bh(&pch->upl);  in ppp_unbridge_channels()
668 	pchb = rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl));  in ppp_unbridge_channels()
670 		write_unlock_bh(&pch->upl);  in ppp_unbridge_channels()
674 	write_unlock_bh(&pch->upl);  in ppp_unbridge_channels()
681 	write_lock_bh(&pchb->upl);  in ppp_unbridge_channels()
682 	pchbb = rcu_dereference_protected(pchb->bridge, lockdep_is_held(&pchb->upl));  in ppp_unbridge_channels()
685 	write_unlock_bh(&pchb->upl);  in ppp_unbridge_channels()
2169 	read_lock_bh(&pch->upl);  in ppp_channel_push()
2177 	read_unlock_bh(&pch->upl);  in ppp_channel_push()
2290 	read_lock_bh(&pch->upl);  in ppp_input()
2314 	read_unlock_bh(&pch->upl);  in ppp_input()
2327 	read_lock_bh(&pch->upl);  in ppp_input_error()
2336 	read_unlock_bh(&pch->upl);  in ppp_input_error()
2897 	rwlock_init(&pch->upl);  in ppp_register_net_channel()
2929 		read_lock_bh(&pch->upl);  in ppp_unit_number()
2932 		read_unlock_bh(&pch->upl);  in ppp_unit_number()
2946 		read_lock_bh(&pch->upl);  in ppp_dev_name()
2949 		read_unlock_bh(&pch->upl);  in ppp_dev_name()
3461 	write_lock_bh(&pch->upl);  in ppp_connect_channel()
3464 	    rcu_dereference_protected(pch->bridge, lockdep_is_held(&pch->upl)))  in ppp_connect_channel()
3490 	write_unlock_bh(&pch->upl);  in ppp_connect_channel()
3505 	write_lock_bh(&pch->upl);  in ppp_disconnect_channel()
3508 	write_unlock_bh(&pch->upl);  in ppp_disconnect_channel()