From 9cf7f95483cfa10b01a4cbd2dc97bee2b0c82235 Mon Sep 17 00:00:00 2001 From: Andrew Eikum Date: Mon, 16 Jan 2012 14:02:45 -0600 Subject: [PATCH] dsound: Lock the source buffer during duplication. --- dlls/dsound/buffer.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/dlls/dsound/buffer.c b/dlls/dsound/buffer.c index bc9b9552ba..1ea2d0dbec 100644 --- a/dlls/dsound/buffer.c +++ b/dlls/dsound/buffer.c @@ -1083,9 +1083,15 @@ HRESULT IDirectSoundBufferImpl_Duplicate( *ppdsb = NULL; return DSERR_OUTOFMEMORY; } + + RtlAcquireResourceShared(&pdsb->lock, TRUE); + CopyMemory(dsb, pdsb, sizeof(*dsb)); dsb->pwfx = DSOUND_CopyFormat(pdsb->pwfx); + + RtlReleaseResource(&pdsb->lock); + if (dsb->pwfx == NULL) { HeapFree(GetProcessHeap(),0,dsb); *ppdsb = NULL;