coverity#1401593 Wrapper object use after free

Change-Id: I7fdaf527ffbe7d3d952c17c62707bb4a22b05f1d

lotuswordpro/source/filter/lwppagelayout.cxx

@@ -312,8 +312,7 @@ void LwpPageLayout::ParseFootNoteSeparator(XFPageMaster * pm1)
 */
 void LwpPageLayout::RegisterStyle()
 {
-    std::unique_ptr<XFPageMaster> xpm1(new XFPageMaster());
-    m_pXFPageMaster = xpm1.get();
+    std::unique_ptr<XFPageMaster> xpm1(new XFPageMaster);
 
     ParseGeometry(xpm1.get());
     //Does not process LayoutScale, for watermark is not supported in SODC.
@@ -339,11 +338,11 @@ void LwpPageLayout::RegisterStyle()
     OUString pmname = pm1->GetStyleName();
 
     //Add master page
-    XFMasterPage* p1 = new XFMasterPage;
+    std::unique_ptr<XFMasterPage> p1(new XFMasterPage);
     p1->SetStyleName(GetName().str());
     p1->SetPageMaster(pmname);
-    p1 = static_cast<XFMasterPage*>(pXFStyleManager->AddStyle(p1).m_pStyle);
-    m_StyleName = p1->GetStyleName();
+    XFMasterPage* p1_added = static_cast<XFMasterPage*>(pXFStyleManager->AddStyle(p1.release()).m_pStyle);
+    m_StyleName = p1_added->GetStyleName();
 
     //Set footer style
     LwpFooterLayout* pLayoutFooter = GetFooterLayout();
@@ -351,7 +350,7 @@ void LwpPageLayout::RegisterStyle()
     {
         pLayoutFooter->SetFoundry(m_pFoundry);
         pLayoutFooter->RegisterStyle(pm1);
-        pLayoutFooter->RegisterStyle(p1);
+        pLayoutFooter->RegisterStyle(p1_added);
     }
 
     //Set header style
@@ -360,7 +359,7 @@ void LwpPageLayout::RegisterStyle()
     {
         pLayoutHeader->SetFoundry(m_pFoundry);
         pLayoutHeader->RegisterStyle(pm1);
-        pLayoutHeader->RegisterStyle(p1);
+        pLayoutHeader->RegisterStyle(p1_added);
     }
     //register child layout style for mirror page and frame
     RegisterChildStyle();
@@ -372,18 +371,15 @@ void LwpPageLayout::RegisterStyle()
 */
 OUString LwpPageLayout::RegisterEndnoteStyle()
 {
-    XFPageMaster* pm1 = new XFPageMaster();
-    m_pXFPageMaster = pm1;
-
-    ParseGeometry( pm1 );
-    ParseWaterMark( pm1);
-    ParseMargins( pm1);
-    ParseColumns(pm1);
-    ParseBorders(pm1);
-    ParseShadow(pm1);
-//  ParseBackColor(pm1);
-    ParseBackGround(pm1);
-    //ParseFootNoteSeparator(pm1);
+    std::unique_ptr<XFPageMaster> pm1(new XFPageMaster);
+
+    ParseGeometry(pm1.get());
+    ParseWaterMark(pm1.get());
+    ParseMargins(pm1.get());
+    ParseColumns(pm1.get());
+    ParseBorders(pm1.get());
+    ParseShadow(pm1.get());
+    ParseBackGround(pm1.get());
     pm1->SetTextDir(GetTextDirection());
 
     LwpUseWhen* pUseWhen = GetUseWhen();
@@ -394,11 +390,11 @@ OUString LwpPageLayout::RegisterEndnoteStyle()
 
     //Add the page master to stylemanager
     XFStyleManager* pXFStyleManager = LwpGlobalMgr::GetInstance()->GetXFStyleManager();
-    m_pXFPageMaster = pm1 = static_cast<XFPageMaster*>(pXFStyleManager->AddStyle(pm1).m_pStyle);
-    OUString pmname = pm1->GetStyleName();
+    m_pXFPageMaster = static_cast<XFPageMaster*>(pXFStyleManager->AddStyle(pm1.release()).m_pStyle);
+    OUString pmname = m_pXFPageMaster->GetStyleName();
 
     //Add master page
-    XFMasterPage* p1 = new XFMasterPage;
+    std::unique_ptr<XFMasterPage> p1(new XFMasterPage);
     p1->SetStyleName("Endnote");
     p1->SetPageMaster(pmname);
 
@@ -407,8 +403,8 @@ OUString LwpPageLayout::RegisterEndnoteStyle()
     if(pLayoutFooter)
     {
         pLayoutFooter->SetFoundry(m_pFoundry);
-        pLayoutFooter->RegisterStyle(pm1);
-        pLayoutFooter->RegisterStyle(p1);
+        pLayoutFooter->RegisterStyle(m_pXFPageMaster);
+        pLayoutFooter->RegisterStyle(p1.get());
     }
 
     //Set header style
@@ -416,11 +412,11 @@ OUString LwpPageLayout::RegisterEndnoteStyle()
     if(pLayoutHeader)
     {
         pLayoutHeader->SetFoundry(m_pFoundry);
-        pLayoutHeader->RegisterStyle(pm1);
-        pLayoutHeader->RegisterStyle(p1);
+        pLayoutHeader->RegisterStyle(m_pXFPageMaster);
+        pLayoutHeader->RegisterStyle(p1.get());
     }
 
-    return pXFStyleManager->AddStyle(p1).m_pStyle->GetStyleName();
+    return pXFStyleManager->AddStyle(p1.release()).m_pStyle->GetStyleName();
 }
 /**
 * @descr:   Whether current page layout has columns
@@ -754,7 +750,7 @@ void LwpHeaderLayout::Read()
 
 void LwpHeaderLayout::RegisterStyle(XFPageMaster* pm1)
 {
-    std::unique_ptr<XFHeaderStyle> xHeaderStyle(new XFHeaderStyle());
+    std::unique_ptr<XFHeaderStyle> xHeaderStyle(new XFHeaderStyle);
 
     //Modify page top margin
     //page top marging: from top of header to the top edge
@@ -872,7 +868,7 @@ void LwpHeaderLayout::ParseWaterMark(XFHeaderStyle * pHeaderStyle)
 
 void LwpHeaderLayout::RegisterStyle(XFMasterPage* mp1)
 {
-    rtl::Reference<XFHeader> xHeader(new XFHeader());
+    rtl::Reference<XFHeader> xHeader(new XFHeader);
     rtl::Reference<LwpObject> pStory = m_Content.obj();
     if(pStory.is())
     {
@@ -918,7 +914,7 @@ void LwpFooterLayout::Read()
 
 void LwpFooterLayout::RegisterStyle(XFPageMaster* pm1)
 {
-    std::unique_ptr<XFFooterStyle> xFooterStyle(new XFFooterStyle());
+    std::unique_ptr<XFFooterStyle> xFooterStyle(new XFFooterStyle);
 
     //Modify page bottom margin
     //page bottom margin: from bottom of footer to the bottom edge
@@ -1023,7 +1019,7 @@ void LwpFooterLayout::ParseBackColor(XFFooterStyle* pFooterStyle)
 
 void LwpFooterLayout::RegisterStyle(XFMasterPage* mp1)
 {
-    rtl::Reference<XFFooter> xFooter(new XFFooter());
+    rtl::Reference<XFFooter> xFooter(new XFFooter);
     rtl::Reference<LwpObject> pStory = m_Content.obj(VO_STORY);
     //Call the RegisterStyle first to register the styles in footer paras, and then XFConvert()
     if(pStory.is())