From 29a9ea18bc3fa8148f1203e08ec276cb56720817 Mon Sep 17 00:00:00 2001
From: Bruno Jesus <00cpxxx@gmail.com>
Date: Sat, 5 Sep 2015 00:25:43 +0800
Subject: [PATCH] quartz: Ensure pSample is NULL before calling
 IAsyncReader_WaitForNext.

---
 dlls/quartz/pin.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/quartz/pin.c b/dlls/quartz/pin.c
index 8377be57559..52a397021e0 100644
--- a/dlls/quartz/pin.c
+++ b/dlls/quartz/pin.c
@@ -415,6 +415,7 @@ static void PullPin_Flush(PullPin *This)
         {
             DWORD_PTR dwUser;
 
+            pSample = NULL;
             IAsyncReader_WaitForNext(This->pReader, 0, &pSample, &dwUser);
 
             if (!pSample)