return early on not good

Change-Id: I4aca6cb1c3dae652595b93ff7507db713a668d5f

return early on not good
Change-Id: I4aca6cb1c3dae652595b93ff7507db713a668d5f
d608a304 · Caolán McNamara · 35c602a5 · d608a304
Kaydet (Commit) d608a304 authored Ock 22, 2017 tarafından Caolán McNamara
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sgfbram.cxx vcl/source/filter/sgfbram.cxx +2 -0

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--- a/vcl/source/filter/sgfbram.cxx
+++ b/vcl/source/filter/sgfbram.cxx
@@ -323,6 +323,8 @@ bool SgfBMapFilter(SvStream& rInp, SvStream& rOut)

    nFileStart=rInp.Tell();
    ReadSgfHeader( rInp, aHead );
+    if (!rIStream.good())
+        return false;
    if (aHead.ChkMagic() && (aHead.Typ==SgfBitImag0 || aHead.Typ==SgfBitImag1 ||
                             aHead.Typ==SgfBitImag2 || aHead.Typ==SgfBitImgMo))
    {