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crypt32: Don't crash on freeing null chain engine.

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Juan Lang 2006-09-20 11:49:48 -07:00 committed by Alexandre Julliard
parent c33f0c555e
commit 0624ba1b2e
1 changed files with 1 additions and 1 deletions
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2
dlls/crypt32/chain.c
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@ -163,7 +163,7 @@ void WINAPI CertFreeCertificateChainEngine(HCERTCHAINENGINE hChainEngine)
TRACE("(%p)\n", hChainEngine);
if (InterlockedDecrement(&engine->ref) == 0)
if (engine && InterlockedDecrement(&engine->ref) == 0)
{
CertCloseStore(engine->hWorld, 0);
CertCloseStore(engine->hRoot, 0);