@@ -101,12 +101,16 @@ static int dw210x_op_rw(struct usb_device *dev, u8 request, u16 value,
u16 index, u8 * data, u16 len, int flags)
{
int ret;
- u8 u8buf[len];
-
+ u8 *u8buf;
unsigned int pipe = (flags == DW210X_READ_MSG) ?
usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0);
u8 request_type = (flags == DW210X_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
+ u8buf = kmalloc(len, GFP_KERNEL);
+ if (!u8buf)
+ return -ENOMEM;
+
+
if (flags == DW210X_WRITE_MSG)
memcpy(u8buf, data, len);
ret = usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR,
@@ -114,6 +118,8 @@ static int dw210x_op_rw(struct usb_device *dev, u8 request, u16 value,
if (flags == DW210X_READ_MSG)
memcpy(data, u8buf, len);
+
+ kfree(u8buf);
return ret;
}