tubes: guard unref() against "accidental" calls

Change-Id: I73b0f8faaa9b6d0707153f3150ca531a33cb0dd3

tubes: guard unref() against "accidental" calls
Change-Id: I73b0f8faaa9b6d0707153f3150ca531a33cb0dd3
581860f4 · Eike Rathke · Matúš Kukan · b1032a68 · 581860f4
Kaydet (Commit) 581860f4 authored Tem 16, 2012 tarafından Eike Rathke Kaydeden (comit) Matúš Kukan Tem 17, 2012
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manager.cxx tubes/source/manager.cxx +1 -1

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--- a/tubes/source/manager.cxx
+++ b/tubes/source/manager.cxx
@@ -372,7 +372,7 @@ void
 TeleManager::unref()
 {
    MutexGuard aGuard( GetAnotherMutex());
-    if (--nAnotherRefCount == 0) {
+    if (nAnotherRefCount && --nAnotherRefCount == 0) {
        delete pSingleton;
        pSingleton = NULL;
    }