From 19f638da5ac187ba17787c1a8d456642b024a297 Mon Sep 17 00:00:00 2001
From: Ross Bencina <rossb@audiomulch.com>
Date: Thu, 1 Oct 2020 14:08:39 +1000
Subject: [PATCH] wdmks: ensure that pins that failed creation by PinNew() are
 set to NULL. Note that PaUtil_AllocateMemory currently calls GlobalAlloc
 without the GMEM_ZEROINIT flag, so there was no guarantee that
 filter->pins[pinId] was zero.

---
 src/hostapi/wdmks/pa_win_wdmks.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hostapi/wdmks/pa_win_wdmks.c b/src/hostapi/wdmks/pa_win_wdmks.c
index 70a48d8ff..2403ed52a 100644
--- a/src/hostapi/wdmks/pa_win_wdmks.c
+++ b/src/hostapi/wdmks/pa_win_wdmks.c
@@ -2844,6 +2844,10 @@ PaError FilterInitializePins( PaWinWdmFilter* filter )
             filter->pins[pinId] = newPin;
             ++filter->validPinCount;
         }
+        else
+        {
+            filter->pins[pinId] = 0;
+        }
     }
 
     if (filter->validPinCount == 0)