Input: uinput - allow for max == min during input_absinfo validation

whot · dtor · commit 4fef1250eafd · 2018-09-18T15:28:07.000-07:00
These values are inclusive, so a range of 1 requires min == max.

Signed-off-by: Peter Hutterer &lt;peter.hutterer@who-t.net&gt;
Reviewed-by: Martin Kepplinger &lt;martin.kepplinger@ginzinger.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
@@ -410,7 +410,7 @@ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code,
 	min = abs->minimum;
 	max = abs->maximum;
 
-	if ((min != 0 || max != 0) && max <= min) {
+	if ((min != 0 || max != 0) && max < min) {
 		printk(KERN_DEBUG
 		       "%s: invalid abs[%02x] min:%d max:%d\n",
 		       UINPUT_NAME, code, min, max);
