USB: g_mass_storage: min(...) warning fixed

This patch fixes warning caused by calling min() macro
with arguments of different types:

  drivers/usb/gadget/f_mass_storage.c:623: warning: \
  comparison of distinct pointer types lacks a cast

Reported-by: Stephen Rothwell <[email protected]>
Signed-off-by: Michal Nazarewicz <[email protected]>
Cc: Marek Szyprowski <[email protected]>
Cc: Kyungmin Park <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 3c835503ffb111f0e80cb919d1fdf9884f2952a1..0553d9a5536b25d2c37750af1c4b344b3a021adc 100644 (file)
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -620,7 +620,7 @@ static int fsg_setup(struct usb_function *f,
                *(u8 *) req->buf = fsg->common->nluns - 1;
 
                /* Respond with data/status */
-               req->length = min(1, w_length);
+               req->length = min((u16)1, w_length);
                fsg->common->ep0req_name =
                        ctrl->bRequestType & USB_DIR_IN ? "ep0-in" : "ep0-out";
                return ep0_queue(fsg->common);