[v2,03/29] usb: usbtmc: Add ioctls to set/get usb timeout

On Wed, Jul 18, 2018 at 10:45:36AM +0200, Guido Kiener wrote:

+/*
+ * Set the usb timeout value
+ */
+static int usbtmc_ioctl_set_timeout(struct usbtmc_file_data *file_data,
+				void __user *arg)
+{
+	u32 timeout;
+
+	if (get_user(timeout, (__u32 __user *)arg))
+		return -EFAULT;
+
+	/* Note that timeout = 0 means
+	 * MAX_SCHEDULE_TIMEOUT in usb_control_msg
+	 */
+	if (timeout < USBTMC_MIN_TIMEOUT)
+		return -EINVAL;

No max timeout limit?  That feels odd, but ok, it's your api, you might
be waiting a long time :)

thanks,

greg k-h
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