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

From: Peter Hutterer
Date: Tue Sep 18 2018 - 01:23:11 EST


These values are inclusive, so a range of 1 requires min == max.

Signed-off-by: Peter Hutterer <peter.hutterer@xxxxxxxxx>
---
drivers/input/misc/uinput.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 96a887f33698..eb14ddf69346 100644
--- 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);
--
2.17.1