On Thu, Mar 12, 2015 at 06:08:12PM -0700, Jason Gerecke wrote:
> On 3/12/2015 5:51 PM, Peter Hutterer wrote:
> >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;
> >
> 
> Thanks :)
> 
> I'm a little uncomfortable at the moment with patch 2 where you explicitly
> ignore the return value, but for everything else in the set:
> 
> Reviewed-by: Jason Gerecke <killert...@gmail.com>

sorry, missed this one and didn't push it before the release. I've pushed
the full set, including patch 2 but feel free to revert it if you don't like
it at all, I don't mind. it doesn't change the logic, we ignored the return
value before, now it's just more explicit.

Cheers,
   Peter



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