USB: serial: bus: fix const issue in usb_serial_device_match()

usb_serial_device_match() takes a const pointer, and then decides to
cast it away into a non-const one, which is not a good thing to do
overall.  Fix this up by properly setting the pointers to be const to
preserve that attribute.

Fixes: d69d80484598 ("driver core: have match() callback in struct bus_type take a const *")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 2fea1b1db4a269c0929a0e8e2effebd9bad9d34e..9e2a18c0b21839b11d44be695c6bd9dda73dda8e 100644 (file)
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -17,7 +17,7 @@ static int usb_serial_device_match(struct device *dev,
                                   const struct device_driver *drv)
 {
        const struct usb_serial_port *port = to_usb_serial_port(dev);
-       struct usb_serial_driver *driver = to_usb_serial_driver(drv);
+       const struct usb_serial_driver *driver = to_usb_serial_driver(drv);
 
        /*
         * drivers are already assigned to ports in serial_probe so it's