winmm: Fix check for DCB_NULL callback type.

Noticed by Francois Gouget.

winmm: Fix check for DCB_NULL callback type.
d385675f · Andrew Eikum · Alexandre Julliard · 2754c750 · d385675f
Commit d385675f authored Jul 18, 2011 by Andrew Eikum Committed by Alexandre Julliard Jul 18, 2011
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waveform.c dlls/winmm/waveform.c +1 -1

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--- a/dlls/winmm/waveform.c
+++ b/dlls/winmm/waveform.c
@@ -305,7 +305,7 @@ static DWORD WINMM_NotifyClient(WINMM_CBInfo *info, WORD msg, DWORD_PTR param1,
 {
    TRACE("(%p, %u, %lx, %lx)\n", info->hwave, msg, param1, param2);

-    if(info->flags & DCB_NULL)
+    if((info->flags & DCB_TYPEMASK) == DCB_NULL)
        return MMSYSERR_NOERROR;

    if(!DriverCallback(info->callback, info->flags, (HDRVR)info->hwave,