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USB: serial: whiteheat: fix line-speed endianness
[sagit-ice-cold/kernel_xiaomi_msm8998.git] / drivers / usb / serial / whiteheat.c
index d3ea90b..345211f 100644 (file)
@@ -604,6 +604,10 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command,
 
        command_port = port->serial->port[COMMAND_PORT];
        command_info = usb_get_serial_port_data(command_port);
+
+       if (command_port->bulk_out_size < datasize + 1)
+               return -EIO;
+
        mutex_lock(&command_info->mutex);
        command_info->command_finished = false;
 
@@ -677,6 +681,7 @@ static void firm_setup_port(struct tty_struct *tty)
        struct device *dev = &port->dev;
        struct whiteheat_port_settings port_settings;
        unsigned int cflag = tty->termios.c_cflag;
+       speed_t baud;
 
        port_settings.port = port->port_number + 1;
 
@@ -737,11 +742,13 @@ static void firm_setup_port(struct tty_struct *tty)
        dev_dbg(dev, "%s - XON = %2x, XOFF = %2x\n", __func__, port_settings.xon, port_settings.xoff);
 
        /* get the baud rate wanted */
-       port_settings.baud = tty_get_baud_rate(tty);
-       dev_dbg(dev, "%s - baud rate = %d\n", __func__, port_settings.baud);
+       baud = tty_get_baud_rate(tty);
+       port_settings.baud = cpu_to_le32(baud);
+       dev_dbg(dev, "%s - baud rate = %u\n", __func__, baud);
 
        /* fixme: should set validated settings */
-       tty_encode_baud_rate(tty, port_settings.baud, port_settings.baud);
+       tty_encode_baud_rate(tty, baud, baud);
+
        /* handle any settings that aren't specified in the tty structure */
        port_settings.lloop = 0;