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Protect against a driver misconfiguration.

This commit is contained in:
Dmitry Timoshkov 2001-06-13 19:35:28 +00:00 committed by Alexandre Julliard
parent 883cff405b
commit 5e42134225
1 changed files with 2 additions and 2 deletions
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4
dlls/msacm/driver.c
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@ -289,7 +289,7 @@ static MMRESULT MSACM_DriverOpenHelper(PWINE_ACMDRIVER* ppad, PWINE_ACMDRIVERID
MMRESULT WINAPI acmDriverOpen(PHACMDRIVER phad, HACMDRIVERID hadid, DWORD fdwOpen) MMRESULT WINAPI acmDriverOpen(PHACMDRIVER phad, HACMDRIVERID hadid, DWORD fdwOpen)
{ {
PWINE_ACMDRIVERID padid; PWINE_ACMDRIVERID padid;
PWINE_ACMDRIVER pad, first_pad = NULL; PWINE_ACMDRIVER pad = NULL, first_pad = NULL;
MMRESULT ret; MMRESULT ret;
TRACE("(%p, %x, %08lu)\n", phad, hadid, fdwOpen); TRACE("(%p, %x, %08lu)\n", phad, hadid, fdwOpen);
@ -332,7 +332,7 @@ MMRESULT WINAPI acmDriverOpen(PHACMDRIVER phad, HACMDRIVERID hadid, DWORD fdwOpe
return MMSYSERR_NOERROR; return MMSYSERR_NOERROR;
gotError: gotError:
if (!pad->hDrvr) if (pad && !pad->hDrvr)
HeapFree(MSACM_hHeap, 0, pad); HeapFree(MSACM_hHeap, 0, pad);
return ret; return ret;
} }