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wined3d: Fix potential NULL dereference in IWineD3DSurfaceImpl_LockRect.

This commit is contained in:
Chris Robinson 2006-07-31 06:36:55 -07:00 committed by Alexandre Julliard
parent 92bc96a96b
commit 13557abb7f
1 changed files with 1 additions and 1 deletions
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2
dlls/wined3d/surface.c
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@ -673,7 +673,7 @@ static HRESULT WINAPI IWineD3DSurfaceImpl_LockRect(IWineD3DSurface *iface, WINED
/* NOTE: In a shared context environment the renderTarget will use the same context as the implicit swapchain (we're not in a shared environment yet! */
if ((swapchain == targetSwapChain && targetSwapChain != NULL) || iface == myDevice->renderTarget) {
if (iface == swapchain->frontBuffer) {
if (swapchain && iface == swapchain->frontBuffer) {
TRACE("locking front\n");
glReadBuffer(GL_FRONT);
}