uwb: fix device quirk on big-endian hosts

Add missing endianness conversion when using the USB device-descriptor
idProduct field to apply a hardware quirk.

Fixes: 1ba47da52712 ("uwb: add the i1480 DFU driver")
Cc: stable <stable@vger.kernel.org>     # 2.6.28
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/uwb/i1480/dfu/usb.c b/drivers/uwb/i1480/dfu/usb.c
index 6345e85822a4..a50cf45e530f 100644
--- a/drivers/uwb/i1480/dfu/usb.c
+++ b/drivers/uwb/i1480/dfu/usb.c
@@ -341,6 +341,7 @@ error_submit_ep1:
 static
 int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id)
 {
+        struct usb_device *udev = interface_to_usbdev(iface);
         struct i1480_usb *i1480_usb;
         struct i1480 *i1480;
         struct device *dev = &iface->dev;
@@ -352,8 +353,8 @@ int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id)
                         iface->cur_altsetting->desc.bInterfaceNumber);
                 goto error;
         }
-        if (iface->num_altsetting > 1
-            && interface_to_usbdev(iface)->descriptor.idProduct == 0xbabe) {
+        if (iface->num_altsetting > 1 &&
+                        le16_to_cpu(udev->descriptor.idProduct) == 0xbabe) {
                 /* Need altsetting #1 [HW QUIRK] or EP1 won't work */
                 result = usb_set_interface(interface_to_usbdev(iface), 0, 1);
                 if (result < 0)