cid#1448540 Dereference null return value

Change-Id: I675a19c19ef64480b5414d9b2bb7a5387533dc4a
Reviewed-on: https://gerrit.libreoffice.org/75714
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 50 insertions, 42 deletions

diff --git a/sw/source/uibase/uiview/viewtab.cxx b/sw/source/uibase/uiview/viewtab.cxx
index bfc4594b3270..bc7c72c59040 100644
--- a/sw/source/uibase/uiview/viewtab.cxx
+++ b/sw/source/uibase/uiview/viewtab.cxx
@@ -2295,56 +2295,64 @@ void SwView::StateTabWin(SfxItemSet& rSet)
         case SID_ATTR_PAGE_BITMAP:
         {
             SfxItemSet aSet = rDesc.GetMaster().GetAttrSet();
-            drawing::FillStyle eXFS = aSet.GetItem(XATTR_FILLSTYLE)->GetValue();
-            XFillStyleItem aFillStyleItem( eXFS );
-            aFillStyleItem.SetWhich( SID_ATTR_PAGE_FILLSTYLE );
-            rSet.Put(aFillStyleItem);
-            switch(eXFS)
+            if (const auto pFillStyleItem = aSet.GetItem(XATTR_FILLSTYLE))
             {
-                case drawing::FillStyle_SOLID:
-                {
-                    Color aColor = aSet.GetItem<XFillColorItem>( XATTR_FILLCOLOR, false )->GetColorValue();
-                    XFillColorItem aFillColorItem( OUString(), aColor );
-                    aFillColorItem.SetWhich( SID_ATTR_PAGE_COLOR );
-                    rSet.Put( aFillColorItem );
-                }
-                break;
+                drawing::FillStyle eXFS = pFillStyleItem->GetValue();
+                XFillStyleItem aFillStyleItem( eXFS );
+                aFillStyleItem.SetWhich( SID_ATTR_PAGE_FILLSTYLE );
+                rSet.Put(aFillStyleItem);
 
-                case drawing::FillStyle_GRADIENT:
+                switch(eXFS)
                 {
-                    const XGradient& xGradient = aSet.GetItem<XFillGradientItem>( XATTR_FILLGRADIENT )->GetGradientValue();
-                    XFillGradientItem aFillGradientItem( OUString(), xGradient, SID_ATTR_PAGE_GRADIENT  );
-                    rSet.Put( aFillGradientItem );
-                }
-                break;
+                    case drawing::FillStyle_SOLID:
+                    {
+                        if (const auto pItem = aSet.GetItem<XFillColorItem>(XATTR_FILLCOLOR, false))
+                        {
+                            Color aColor = pItem->GetColorValue();
+                            XFillColorItem aFillColorItem( OUString(), aColor );
+                            aFillColorItem.SetWhich( SID_ATTR_PAGE_COLOR );
+                            rSet.Put( aFillColorItem );
+                        }
+                        break;
+                    }
 
-                case drawing::FillStyle_HATCH:
-                {
-                    const XFillHatchItem *pFillHatchItem( aSet.GetItem<XFillHatchItem>( XATTR_FILLHATCH ) );
-                    XFillHatchItem aFillHatchItem( pFillHatchItem->GetName(), pFillHatchItem->GetHatchValue());
-                    aFillHatchItem.SetWhich( SID_ATTR_PAGE_HATCH );
-                    rSet.Put( aFillHatchItem );
-                }
-                break;
+                    case drawing::FillStyle_GRADIENT:
+                    {
+                        const XGradient& xGradient = aSet.GetItem<XFillGradientItem>( XATTR_FILLGRADIENT )->GetGradientValue();
+                        XFillGradientItem aFillGradientItem( OUString(), xGradient, SID_ATTR_PAGE_GRADIENT  );
+                        rSet.Put( aFillGradientItem );
+                    }
+                    break;
 
-                case drawing::FillStyle_BITMAP:
-                {
-                    const XFillBitmapItem *pFillBitmapItem = aSet.GetItem<XFillBitmapItem>( XATTR_FILLBITMAP );
-                    XFillBitmapItem aFillBitmapItem( pFillBitmapItem->GetName(), pFillBitmapItem->GetGraphicObject() );
-                    aFillBitmapItem.SetWhich( SID_ATTR_PAGE_BITMAP );
-                    rSet.Put( aFillBitmapItem );
-                }
-                break;
-                case drawing::FillStyle_NONE:
-                {
-                }
-                break;
+                    case drawing::FillStyle_HATCH:
+                    {
+                        const XFillHatchItem *pFillHatchItem( aSet.GetItem<XFillHatchItem>( XATTR_FILLHATCH ) );
+                        XFillHatchItem aFillHatchItem( pFillHatchItem->GetName(), pFillHatchItem->GetHatchValue());
+                        aFillHatchItem.SetWhich( SID_ATTR_PAGE_HATCH );
+                        rSet.Put( aFillHatchItem );
+                    }
+                    break;
 
-                default:
-                break;
+                    case drawing::FillStyle_BITMAP:
+                    {
+                        const XFillBitmapItem *pFillBitmapItem = aSet.GetItem<XFillBitmapItem>( XATTR_FILLBITMAP );
+                        XFillBitmapItem aFillBitmapItem( pFillBitmapItem->GetName(), pFillBitmapItem->GetGraphicObject() );
+                        aFillBitmapItem.SetWhich( SID_ATTR_PAGE_BITMAP );
+                        rSet.Put( aFillBitmapItem );
+                    }
+                    break;
+                    case drawing::FillStyle_NONE:
+                    {
+                    }
+                    break;
+
+                    default:
+                    break;
+                }
             }
+            break;
         }
-        break;
+
         }
         nWhich = aIter.NextWhich();
     }