chan_sem          172 drivers/net/ppp/ppp_generic.c 	struct rw_semaphore chan_sem;	/* protects `chan' during chan ioctl */
chan_sem          632 drivers/net/ppp/ppp_generic.c 			down_read(&pch->chan_sem);
chan_sem          637 drivers/net/ppp/ppp_generic.c 			up_read(&pch->chan_sem);
chan_sem         2620 drivers/net/ppp/ppp_generic.c 	init_rwsem(&pch->chan_sem);
chan_sem         2699 drivers/net/ppp/ppp_generic.c 	down_write(&pch->chan_sem);
chan_sem         2703 drivers/net/ppp/ppp_generic.c 	up_write(&pch->chan_sem);