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Commit 63d0aeea authored by Jörg Höhle's avatar Jörg Höhle Committed by Alexandre Julliard
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winmm: Do not access MIDIHDR past MOM_DONE DriverCallback.

parent e1cf94d9
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Showing with 6 additions and 4 deletions
dlls/winmm/winmm.c
View file @ 63d0aeea
...@@ -1485,13 +1485,15 @@ static BOOL MMSYSTEM_MidiStream_MessageHandler(WINE_MIDIStream* lpMidiStrm, LPWI ...@@ -1485,13 +1485,15 @@ static BOOL MMSYSTEM_MidiStream_MessageHandler(WINE_MIDIStream* lpMidiStrm, LPWI
/* this is not quite what MS doc says... */ /* this is not quite what MS doc says... */
midiOutReset(lpMidiStrm->hDevice); midiOutReset(lpMidiStrm->hDevice);
/* empty list of already submitted buffers */ /* empty list of already submitted buffers */
for (lpMidiHdr = lpMidiStrm->lpMidiHdr; lpMidiHdr; lpMidiHdr = lpMidiHdr->lpNext) { for (lpMidiHdr = lpMidiStrm->lpMidiHdr; lpMidiHdr; ) {
lpMidiHdr->dwFlags |= MHDR_DONE; LPMIDIHDR lphdr = lpMidiHdr;
lpMidiHdr->dwFlags &= ~MHDR_INQUEUE; lpMidiHdr = lpMidiHdr->lpNext;
lphdr->dwFlags |= MHDR_DONE;
lphdr->dwFlags &= ~MHDR_INQUEUE;
DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags, DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
(HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE, (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0); lpwm->mod.dwInstance, (DWORD_PTR)lphdr, 0);
} }
lpMidiStrm->lpMidiHdr = 0; lpMidiStrm->lpMidiHdr = 0;
SetEvent(lpMidiStrm->hEvent); SetEvent(lpMidiStrm->hEvent);
......
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