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Diffstat (limited to 'net/bluetooth/rfcomm/tty.c')
-rw-r--r--net/bluetooth/rfcomm/tty.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 1958ad1b8541..e0e0d09023b2 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -172,12 +172,10 @@ static struct device *rfcomm_get_device(struct rfcomm_dev *dev)
return NULL;
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &dev->dst);
- if (!conn)
- return NULL;
hci_dev_put(hdev);
- return &conn->dev;
+ return conn ? &conn->dev : NULL;
}
static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc)
@@ -754,9 +752,9 @@ static int rfcomm_tty_ioctl(struct tty_struct *tty, struct file *filp, unsigned
return -ENOIOCTLCMD;
}
-static void rfcomm_tty_set_termios(struct tty_struct *tty, struct termios *old)
+static void rfcomm_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
{
- struct termios *new = (struct termios *) tty->termios;
+ struct ktermios *new = tty->termios;
int old_baud_rate = tty_termios_baud_rate(old);
int new_baud_rate = tty_termios_baud_rate(new);
@@ -767,6 +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 || !dev->dlc || !dev->dlc->session)
+ return;
+
/* Handle turning off CRTSCTS */
if ((old->c_cflag & CRTSCTS) && !(new->c_cflag & CRTSCTS))
BT_DBG("Turning off CRTSCTS unsupported");