mciqtz32: Make sure the device is valid before starting the play.

7b1b498a · Christian Costa · Alexandre Julliard · aa9550e6 · 7b1b498a
Commit 7b1b498a authored Apr 23, 2009 by Christian Costa Committed by Alexandre Julliard Apr 23, 2009
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mciqtz.c dlls/mciqtz32/mciqtz.c +2 -0

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--- a/dlls/mciqtz32/mciqtz.c
+++ b/dlls/mciqtz32/mciqtz.c
@@ -241,6 +241,8 @@ static DWORD MCIQTZ_mciPlay(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms
        return MCIERR_NULL_PARAMETER_BLOCK;

    wma = MCIQTZ_mciGetOpenDev(wDevID);
+    if (!wma)
+        return MCIERR_INVALID_DEVICE_ID;

    hr = IMediaControl_Run(wma->pmctrl);
    if (FAILED(hr)) {