dxgi: Avoid possible NULL pointer access in d3d11_swapchain_SetFullscreenState().

Signed-off-by: Józef Kucia <jkucia@codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dxgi: Avoid possible NULL pointer access in d3d11_swapchain_SetFullscreenState().
80120d62 · Józef Kucia · Alexandre Julliard · 89b8f3d7 · 80120d62
Commit 80120d62 authored Jul 09, 2018 by Józef Kucia Committed by Alexandre Julliard Jul 09, 2018
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swapchain.c dlls/dxgi/swapchain.c +3 -4

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--- a/dlls/dxgi/swapchain.c
+++ b/dlls/dxgi/swapchain.c
@@ -252,12 +252,11 @@ static HRESULT STDMETHODCALLTYPE DECLSPEC_HOTPATCH d3d11_swapchain_SetFullscreen
        if (swapchain->target)
            IDXGIOutput_Release(swapchain->target);
        swapchain->target = target;
-    }
-    else
-    {
-        IDXGIOutput_Release(target);
+        return S_OK;
    }

+    if (target)
+        IDXGIOutput_Release(target);
    return hr;
 }