From cf4aeafe86d3cba8c96e0c093196ea3309a126f0 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 25 Jan 2007 19:35:01 +0100 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 Signed-off-by: Adrian Bunk --- 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 74368f79ee5d..1b83b2ccd045 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -754,6 +754,9 @@ 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"); -- 2.39.5