USB: whiteheat: fix broken port configuration

When configuring the port (e.g. set_termios) the port minor number
rather than the port number was used in the request (and they only
coincide for minor number 0).

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index b9fca3586d741003a50ffb435be7de74020c48e8..347caad47a121d3f7a26ec7f3246a6960114ffc2 100644 (file)
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -649,7 +649,7 @@ static void firm_setup_port(struct tty_struct *tty)
        struct whiteheat_port_settings port_settings;
        unsigned int cflag = tty->termios.c_cflag;
 
-       port_settings.port = port->number + 1;
+       port_settings.port = port->number - port->serial->minor + 1;
 
        /* get the byte size */
        switch (cflag & CSIZE) {