173 	spinlock_t	downl;		/* protects `chan', file.xq dequeue */  member
1334 		spin_lock_bh(&pch->downl);  in ppp_push()
1343 		spin_unlock_bh(&pch->downl);  in ppp_push()
1473 		spin_lock_bh(&pch->downl);  in ppp_mp_explode()
1481 			spin_unlock_bh(&pch->downl);  in ppp_mp_explode()
1532 			spin_unlock_bh(&pch->downl);  in ppp_mp_explode()
1577 		spin_unlock_bh(&pch->downl);  in ppp_mp_explode()
1584 	spin_unlock_bh(&pch->downl);  in ppp_mp_explode()
1602 	spin_lock_bh(&pch->downl);  in ppp_channel_push()
1616 	spin_unlock_bh(&pch->downl);  in ppp_channel_push()
2255 	spin_lock_init(&pch->downl);  in ppp_register_net_channel()
2334 	spin_lock_bh(&pch->downl);  in ppp_unregister_channel()
2336 	spin_unlock_bh(&pch->downl);  in ppp_unregister_channel()