Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net>
---
Changes to v1:
- only return if firstChannel is NULL
src/wcmCommon.c | 3 +++
src/wcmTouchFilter.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/src/wcmCommon.c b/src/wcmCommon.c
index 7d56ba5..92f8cf8 100644
--- a/src/wcmCommon.c
+++ b/src/wcmCommon.c
@@ -1475,6 +1475,9 @@ void wcmFreeCommon(WacomCommonPtr *ptr)
{
WacomCommonPtr common = *ptr;
+ if (!common)
+ return;
+
DBG(10, common, "common refcount dec to %d\n", common->refcnt - 1);
if (--common->refcnt == 0)
{
diff --git a/src/wcmTouchFilter.c b/src/wcmTouchFilter.c
index 61e3a3a..423a893 100644
--- a/src/wcmTouchFilter.c
+++ b/src/wcmTouchFilter.c
@@ -360,6 +360,9 @@ static void wcmSingleFingerPress(WacomDevicePtr priv)
if (!TabletHasFeature(priv->common, WCM_LCD))
return;
+ if (!firstChannel)
+ return;
+
if (firstInProx && !secondInProx) {
firstChannel->valid.states[0].buttons |= 1;
common->wcmGestureMode = GESTURE_DRAG_MODE;
--
2.1.0
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