ole32: Accept STG_E_UNIMPLEMENTEDFUNCTION when ILockBytes implementation doesn't support locking.

Some custom implementations return it instead of STG_E_INVALIDFUNCTION.

ole32: Accept STG_E_UNIMPLEMENTEDFUNCTION when ILockBytes implementation doesn't support locking.
1f17334f · Dmitry Timoshkov · Alexandre Julliard · 07f84938 · 1f17334f
Commit 1f17334f authored Jul 03, 2015 by Dmitry Timoshkov Committed by Alexandre Julliard Jul 06, 2015
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storage32.c dlls/ole32/storage32.c +1 -1

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--- a/dlls/ole32/storage32.c
+++ b/dlls/ole32/storage32.c
@@ -5015,7 +5015,7 @@ static HRESULT StorageImpl_GrabLocks(StorageImpl *This, DWORD openFlags)
    hr = StorageImpl_LockRegionSync(This, offset, cb, LOCK_ONLYONCE);

    /* If the ILockBytes doesn't support locking that's ok. */
-    if (hr == STG_E_INVALIDFUNCTION) return S_OK;
+    if (hr == STG_E_INVALIDFUNCTION || hr == STG_E_UNIMPLEMENTEDFUNCTION) return S_OK;
    else if (FAILED(hr)) return hr;

    hr = S_OK;