mfplat: Always initialize output arguments in GetScanline0AndPitch() for d3d9 buffers.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

mfplat: Always initialize output arguments in GetScanline0AndPitch() for d3d9 buffers.
ca52f075 · Nikolay Sivov · Alexandre Julliard · 01059d59 · ca52f075
Commit ca52f075 authored Mar 25, 2021 by Nikolay Sivov Committed by Alexandre Julliard Mar 25, 2021
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buffer.c dlls/mfplat/buffer.c +4 -0

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--- a/dlls/mfplat/buffer.c
+++ b/dlls/mfplat/buffer.c
@@ -689,7 +689,11 @@ static HRESULT WINAPI d3d9_surface_buffer_GetScanline0AndPitch(IMF2DBuffer2 *ifa
    EnterCriticalSection(&buffer->cs);

    if (!buffer->_2d.locks)
+    {
+        *scanline0 = NULL;
+        *pitch = 0;
        hr = HRESULT_FROM_WIN32(ERROR_WAS_UNLOCKED);
+    }
    else
    {
        *scanline0 = buffer->d3d9_surface.rect.pBits;