luck/tmp_suning_uos_patched
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[Bluetooth] Store remote modem status for RFCOMM TTY

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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 <denis.kenzior@trolltech.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2008-07-14 20:13:52 +02:00
parent ca37bdd53b
commit 8b6b3da765
3 changed files with 8 additions and 0 deletions
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1
include/net/bluetooth/rfcomm.h
View File

@ -180,6 +180,7 @@ struct rfcomm_dlc {
u8 addr;
u8 priority;
u8 v24_sig;
u8 remote_v24_sig;
u8 mscex;
u8 out;

4
net/bluetooth/rfcomm/core.c
View File

@ -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);

3
net/bluetooth/rfcomm/tty.c
View File

@ -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