Keep the modem status around in case the tty really needs it.
Signed-off-by: Denis Kenzior <denis.kenzior@xxxxxxxxxxxxx>
diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h
index 98ec7a3..d74094d 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;
u32 link_mode;
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 0c2c937..2e37bb0 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1459,6 +1459,7 @@ 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);
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 2488027..8fcca08 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
-------------------------------------------------------------------------
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