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wine-winehq
Commit 14db7003 authored by Jeff Zaroyko's avatar Jeff Zaroyko Committed by Alexandre Julliard
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dsound: Check for invalid parameter when unlocking primary buffers.

parent 73393fab
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dlls/dsound/primary.c
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...@@ -1000,7 +1000,11 @@ static HRESULT WINAPI PrimaryBufferImpl_Unlock( ...@@ -1000,7 +1000,11 @@ static HRESULT WINAPI PrimaryBufferImpl_Unlock(
if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) { if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
HRESULT hres; HRESULT hres;
if ((char *)p1 - (char *)device->buffer + x1 > device->buflen)
hres = DSERR_INVALIDPARAM;
else
hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2); hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
if (hres != DS_OK) { if (hres != DS_OK) {
WARN("IDsDriverBuffer_Unlock failed\n"); WARN("IDsDriverBuffer_Unlock failed\n");
return hres; return hres;
......
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