From: Marcel Holtmann Date: Mon, 14 Jul 2008 18:13:52 +0000 (+0200) Subject: [Bluetooth] Store remote modem status for RFCOMM TTY X-Git-Tag: v2.6.27-rc1~969^2~9^2~4 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b6b3da765af9600b5edd8e3e84a20523e975884;p=linux-2.6 [Bluetooth] Store remote modem status for RFCOMM TTY When switching a RFCOMM socket to a TTY, the remote modem status might be needed later. Currently it is lost since the original configuration is done via the socket interface. So store the modem status and reply it when the socket has been converted to a TTY. Signed-off-by: Denis Kenzior Signed-off-by: Marcel Holtmann --- diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h index 8c54ff37ad..4dc8d92a46 100644 --- a/include/net/bluetooth/rfcomm.h +++ b/include/net/bluetooth/rfcomm.h @@ -180,6 +180,7 @@ struct rfcomm_dlc { u8 addr; u8 priority; u8 v24_sig; + u8 remote_v24_sig; u8 mscex; u8 out; diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index e56bcfc35a..fcd2cafe70 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -1463,8 +1463,12 @@ static int rfcomm_recv_msc(struct rfcomm_session *s, int cr, struct sk_buff *skb clear_bit(RFCOMM_TX_THROTTLED, &d->flags); rfcomm_dlc_lock(d); + + d->remote_v24_sig = msc->v24_sig; + if (d->modem_status) d->modem_status(d, msc->v24_sig); + rfcomm_dlc_unlock(d); rfcomm_send_msc(s, 0, dlci, msc->v24_sig); diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index 248802796e..8fcca08cef 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -271,6 +271,9 @@ static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) dlc->owner = dev; dev->dlc = dlc; + + rfcomm_dev_modem_status(dlc, dlc->remote_v24_sig); + rfcomm_dlc_unlock(dlc); /* It's safe to call __module_get() here because socket already