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hw/xwin: Fix possible null ptr deref in winMWExtWMDecorateWindow()
Signed-off-by: Ryan Pavlik <rpavlik@iastate.edu> Reviewed-by: Colin Harrison <colin.harrison@virgin.net> Reviewed-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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@@ -202,7 +202,8 @@ winMWExtWMDecorateWindow (HWND hwnd, LPARAM lParam)
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/* Check if the Windows window property for our X window pointer is valid */
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if ((pRLWinPriv = (win32RootlessWindowPtr)GetProp (hwnd, WIN_WINDOW_PROP)) != NULL)
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{
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pScreen = pRLWinPriv->pFrame->win->drawable.pScreen;
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if (pRLWinPriv != NULL && pRLWinPriv->pFrame != NULL && pRLWinPriv->pFrame->win != NULL)
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pScreen = pRLWinPriv->pFrame->win->drawable.pScreen;
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if (pScreen) pScreenPriv = winGetScreenPriv(pScreen);
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if (pScreenPriv) pScreenInfo = pScreenPriv->pScreenInfo;
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if (pRLWinPriv && pScreenInfo) winMWExtWMUpdateWindowDecoration (pRLWinPriv, pScreenInfo);
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