quartz: Avoid releasing NULL objects
Chris Robinson
chris.kcat at gmail.com
Fri Apr 6 00:20:58 CDT 2007
-------------- next part --------------
From 3f2fb28d816d7f8ba0a0e1e5882c336ac894e9b5 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat at gmail.com>
Date: Wed, 4 Apr 2007 09:21:58 -0700
Subject: [PATCH] quartz: Avoid releasing NULL objects
---
dlls/quartz/filtergraph.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/dlls/quartz/filtergraph.c b/dlls/quartz/filtergraph.c
index 8f87870..51ea94a 100644
--- a/dlls/quartz/filtergraph.c
+++ b/dlls/quartz/filtergraph.c
@@ -274,7 +274,10 @@ static ULONG Filtergraph_Release(IFilterGraphImpl *This) {
IBaseFilter_Release(This->ppFiltersInGraph[i]);
}
for (i = 0; i < This->nItfCacheEntries; i++)
- IUnknown_Release(This->ItfCacheEntries[i].iface);
+ {
+ if (This->ItfCacheEntries[i].iface)
+ IUnknown_Release(This->ItfCacheEntries[i].iface);
+ }
IFilterMapper2_Release(This->pFilterMapper2);
CloseHandle(This->hEventCompletion);
EventsQueue_Destroy(&This->evqueue);
--
1.4.4.4
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