xorg-x11-drv-wacom/0001-Cancel-timers-on-DEVICE_OFF.patch

32 lines
963 B
Diff

From 2278b26da892318be3f1266edaf9a4d3fe5ae582 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Fri, 24 Feb 2017 14:05:02 +1000
Subject: [PATCH] Cancel timers on DEVICE_OFF
Otherwise we run the risk of having a timer trigger after we removed the
device. Since we pass InputInfoPtrs and WacomDevicePtrs to the timers as
arguments, these may have been freed by the time a timer triggers.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
src/xf86Wacom.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/xf86Wacom.c b/src/xf86Wacom.c
index b4cf25b..26b4e9c 100644
--- a/src/xf86Wacom.c
+++ b/src/xf86Wacom.c
@@ -854,6 +854,9 @@ static int wcmDevProc(DeviceIntPtr pWcm, int what)
break;
case DEVICE_OFF:
+ TimerCancel(priv->tap_timer);
+ TimerCancel(priv->serial_timer);
+ TimerCancel(priv->touch_timer);
wcmDisableTool(pWcm);
wcmUnlinkTouchAndPen(pInfo);
if (pInfo->fd >= 0)
--
2.9.3