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winmm: Don't operate on freed data in timer.

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This commit is contained in:
Maarten Lankhorst 2007-07-19 11:34:48 +02:00 committed by Alexandre Julliard
parent 7107a6969d
commit 93b6f15826
1 changed files with 4 additions and 2 deletions
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6
dlls/winmm/time.c
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@ -359,6 +359,7 @@ MMRESULT WINAPI timeSetEvent(UINT wDelay, UINT wResol, LPTIMECALLBACK lpFunc,
MMRESULT WINAPI timeKillEvent(UINT wID)
{
WINE_TIMERENTRY *lpSelf = NULL, *lpTimer;
DWORD wFlags;
TRACE("(%u)\n", wID);
EnterCriticalSection(&WINMM_cs);
@ -378,10 +379,11 @@ MMRESULT WINAPI timeKillEvent(UINT wID)
WARN("wID=%u is not a valid timer ID\n", wID);
return MMSYSERR_INVALPARAM;
}
if (lpSelf->wFlags & TIME_KILL_SYNCHRONOUS)
wFlags = lpSelf->wFlags;
if (wFlags & TIME_KILL_SYNCHRONOUS)
EnterCriticalSection(&TIME_cbcrst);
HeapFree(GetProcessHeap(), 0, lpSelf);
if (lpSelf->wFlags & TIME_KILL_SYNCHRONOUS)
if (wFlags & TIME_KILL_SYNCHRONOUS)
LeaveCriticalSection(&TIME_cbcrst);
return TIMERR_NOERROR;
}