From cb19d9ea2ce2bcbe291d3d48e3501dc4f33ba627 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Sun, 15 Oct 2006 17:31:10 +0200 Subject: [PATCH] [Bluetooth] Check if DLC is still attached to the TTY If the DLC device is no longer attached to the TTY device, then it makes no sense to go through with changing the termios settings. Signed-off-by: Marcel Holtmann --- net/bluetooth/rfcomm/tty.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index 5833b87c51cf..b8e3a5f1c8a8 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -765,6 +765,9 @@ static void rfcomm_tty_set_termios(struct tty_struct *tty, struct termios *old) BT_DBG("tty %p termios %p", tty, old); + if (!dev) + return; + /* Handle turning off CRTSCTS */ if ((old->c_cflag & CRTSCTS) && !(new->c_cflag & CRTSCTS)) BT_DBG("Turning off CRTSCTS unsupported"); -- 2.30.2