rfcomm_dlc_exists  245 include/net/bluetooth/rfcomm.h struct rfcomm_dlc *rfcomm_dlc_exists(bdaddr_t *src, bdaddr_t *dst, u8 channel);
rfcomm_dlc_exists  413 net/bluetooth/rfcomm/tty.c 		dlc = rfcomm_dlc_exists(&req.src, &req.dst, req.channel);