linux-kernel - [PATCH 2/3] usb: gadget: udc-xilinx: fix cast from restricted _

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Date:   Tue, 22 Aug 2023 12:02:00 +0530
From:   Piyush Mehta <piyush.mehta@....com>
To:     <gregkh@...uxfoundation.org>, <michal.simek@....com>,
        <u.kleine-koenig@...gutronix.de>, <linus.walleij@...aro.org>
CC:     <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <git@....com>,
        Piyush Mehta <piyush.mehta@....com>
Subject: [PATCH 2/3] usb: gadget: udc-xilinx: fix cast from restricted __le16 warning

usb_ctrlrequest member wValue, wLength and wIndex are of type __le16,
conversion macro cpu_to_le16() input argument is __u16, so properly
typecasted to fix the cast from restricted __le16 warning.

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/all/202209020044.CX2PfZzM-lkp@intel.com/
Signed-off-by: Piyush Mehta <piyush.mehta@....com>
---
 drivers/usb/gadget/udc/udc-xilinx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
index e6308414cd1f..476c0a8fc5e7 100644
--- a/drivers/usb/gadget/udc/udc-xilinx.c
+++ b/drivers/usb/gadget/udc/udc-xilinx.c
@@ -1757,9 +1757,9 @@ static void xudc_handle_setup(struct xusb_udc *udc)
 	memcpy(&setup, ep0rambase, 8);
 
 	udc->setup = setup;
-	udc->setup.wValue = cpu_to_le16(setup.wValue);
-	udc->setup.wIndex = cpu_to_le16(setup.wIndex);
-	udc->setup.wLength = cpu_to_le16(setup.wLength);
+	udc->setup.wValue = cpu_to_le16((u16 __force)setup.wValue);
+	udc->setup.wIndex = cpu_to_le16((u16 __force)setup.wIndex);
+	udc->setup.wLength = cpu_to_le16((u16 __force)setup.wLength);
 
 	/* Clear previous requests */
 	xudc_nuke(ep0, -ECONNRESET);
-- 
2.17.1