Chris Robinson : quartz: Avoid releasing NULL objects.

Alexandre Julliard julliard at wine.codeweavers.com
Fri Apr 6 06:07:50 CDT 2007


Module: wine
Branch: master
Commit: d51098ef11705ef20d9875240e2954e270083296
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=d51098ef11705ef20d9875240e2954e270083296

Author: Chris Robinson <chris.kcat at gmail.com>
Date:   Wed Apr  4 09:21:58 2007 -0700

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);




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