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winecoreaudio: Do not access MIDIHDR past notification callback.

This commit is contained in:
Jörg Höhle 2011-03-09 01:51:08 +01:00 committed by Alexandre Julliard
parent a1a2de1853
commit c0d6db3944
1 changed files with 7 additions and 6 deletions
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13
dlls/winecoreaudio.drv/midi.c
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@ -694,8 +694,8 @@ static DWORD MIDIIn_AddBuffer(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
LPMIDIHDR ptr;
for (ptr = sources[wDevID].lpQueueHdr;
ptr->lpNext != 0;
ptr = (LPMIDIHDR)ptr->lpNext);
ptr->lpNext = (struct midihdr_tag*)lpMidiHdr;
ptr = ptr->lpNext);
ptr->lpNext = lpMidiHdr;
}
LeaveCriticalSection(&midiInLock);
@ -806,11 +806,12 @@ static DWORD MIDIIn_Reset(WORD wDevID)
EnterCriticalSection(&midiInLock);
while (sources[wDevID].lpQueueHdr) {
sources[wDevID].lpQueueHdr->dwFlags &= ~MHDR_INQUEUE;
sources[wDevID].lpQueueHdr->dwFlags |= MHDR_DONE;
LPMIDIHDR lpMidiHdr = sources[wDevID].lpQueueHdr;
sources[wDevID].lpQueueHdr = lpMidiHdr->lpNext;
lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
lpMidiHdr->dwFlags |= MHDR_DONE;
/* FIXME: when called from 16 bit, lpQueueHdr needs to be a segmented ptr */
MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD)sources[wDevID].lpQueueHdr, dwTime);
sources[wDevID].lpQueueHdr = (LPMIDIHDR)sources[wDevID].lpQueueHdr->lpNext;
MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD)lpMidiHdr, dwTime);
}
LeaveCriticalSection(&midiInLock);