diff options
-rw-r--r-- | drivers/staging/fwserial/fwserial.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c index 3e416f5bbcba..a1b90ea7fcb8 100644 --- a/drivers/staging/fwserial/fwserial.c +++ b/drivers/staging/fwserial/fwserial.c @@ -1213,6 +1213,7 @@ static int get_serial_info(struct tty_struct *tty, struct serial_struct *ss) { struct fwtty_port *port = tty->driver_data; + mutex_lock(&port->port.mutex); ss->type = PORT_UNKNOWN; ss->line = port->port.tty->index; |