staging: r8188eu: remove a bitwise AND from rtw_writeN()

Remove an unnecessary bitwise AND because "length" can never be greater
than 0xffff since VENDOR_CMD_MAX_DATA_LEN is defined as '254'.

Co-developed-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20210924122705.3781-11-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index 8e4e578ed60be35323f2d8102f34fc7b0418dd1e..3b50d2b5c0e3e9271b21b30d1f893a51b078b247 100644 (file)
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -176,7 +176,7 @@ int rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *data)
        if (length > VENDOR_CMD_MAX_DATA_LEN)
                return _FAIL;
 
-       ret = usbctrl_vendorreq(intf, value, data, (length & 0xffff), REALTEK_USB_VENQT_WRITE);
+       ret = usbctrl_vendorreq(intf, value, data, length, REALTEK_USB_VENQT_WRITE);
 
        return RTW_STATUS_CODE(ret);
 }