staging: r8188eu: remove a buffer from rtw_writeN()

Remove the unnecessary buffer "u8 buf[VENDOR_CMD_MAX_DATA_LEN]" and
pass directly "data" to usbctrl_vendorreq().

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/20210924122705.3781-10-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 5dcab1ee4be0cf9f536161789b23323930266b8a..8e4e578ed60be35323f2d8102f34fc7b0418dd1e 100644 (file)
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -171,14 +171,12 @@ int rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *data)
        struct io_priv *io_priv = &adapter->iopriv;
        struct intf_hdl *intf = &io_priv->intf;
        u16 value = addr & 0xffff;
-       u8 buf[VENDOR_CMD_MAX_DATA_LEN] = {0};
        int ret;
 
        if (length > VENDOR_CMD_MAX_DATA_LEN)
                return _FAIL;
 
-       memcpy(buf, data, length);
-       ret = usbctrl_vendorreq(intf, value, buf, (length & 0xffff), REALTEK_USB_VENQT_WRITE);
+       ret = usbctrl_vendorreq(intf, value, data, (length & 0xffff), REALTEK_USB_VENQT_WRITE);
 
        return RTW_STATUS_CODE(ret);
 }