kde5: avoid crash with null surface

Change-Id: Ie63e62995bee0fd950cea0668f5ae06c903b25a3

kde5: avoid crash with null surface
Change-Id: Ie63e62995bee0fd950cea0668f5ae06c903b25a3
637bbffa · Katarina Behrens · Thorsten Behrens · 72c28fb1 · 637bbffa
Kaydet (Commit) 637bbffa authored Eki 04, 2017 tarafından Katarina Behrens Kaydeden (comit) Thorsten Behrens Eki 25, 2017
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KDE5SalFrame.cxx vcl/unx/kde5/KDE5SalFrame.cxx +2 -1

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--- a/vcl/unx/kde5/KDE5SalFrame.cxx
+++ b/vcl/unx/kde5/KDE5SalFrame.cxx
@@ -340,7 +340,8 @@ void KDE5SalFrame::ReleaseGraphics( SalGraphics *pGraphics )
        if( m_aGraphics[i].pGraphics.get() == pGraphics )
        {
            m_aGraphics[i].bInUse = false;
-            cairo_surface_destroy( m_aGraphics[i].pSurface );
+            if ( m_aGraphics[i].pSurface != nullptr )
+                cairo_surface_destroy( m_aGraphics[i].pSurface );
            break;
        }
    }