From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed, 19 Feb 2020 03:28:38 +0000 (+1000)
Subject: Don't try to send BTN_TOOL events for zero fingers
X-Git-Tag: libevdev-1.8.901~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=27aaba81d5978f3dd7e2b3de32b27c5f6be5fd0f;p=platform%2Fupstream%2Flibevdev.git

Don't try to send BTN_TOOL events for zero fingers

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---

diff --git a/libevdev/libevdev.c b/libevdev/libevdev.c
index bd6fc96..e6323d1 100644
--- a/libevdev/libevdev.c
+++ b/libevdev/libevdev.c
@@ -780,7 +780,7 @@ terminate_slots(struct libevdev *dev,
 		 * sync event frame sync_key_state() sets everything correctly
 		 * for the *real* number of touches.
 		 */
-		if (ntouches_before <= 5) {
+		if (ntouches_before > 0 && ntouches_before <= 5) {
 			struct input_event ev = {
 				.type = EV_KEY,
 				.code = map[ntouches_before - 1],
@@ -790,7 +790,7 @@ terminate_slots(struct libevdev *dev,
 			update_key_state(dev, &ev);
 		}
 
-		if (ntouches_after <= 5) {
+		if (ntouches_after > 0 && ntouches_after <= 5) {
 			struct input_event ev = {
 				.type = EV_KEY,
 				.code = map[ntouches_after - 1],