[Tizen] Check for NULL return value in button-impl.cpp

Change-Id: I10ee95b46237a483df92cd4f2a7098ead73028f4
Signed-off-by: Seoyeon Kim <seoyeon2.kim@samsung.com>

diff --git a/dali-toolkit/internal/controls/buttons/button-impl.cpp b/dali-toolkit/internal/controls/buttons/button-impl.cpp
index 79ac7db..08beee1 100644 (file)
--- a/dali-toolkit/internal/controls/buttons/button-impl.cpp
+++ b/dali-toolkit/internal/controls/buttons/button-impl.cpp
@@ -363,7 +363,10 @@ std::string Button::GetLabelText() const
   if ( labelProperty )
   {
     Property::Value* value = labelProperty->Find( Toolkit::TextVisual::Property::TEXT );
-    value->Get( textLabel );
+    if( value )
+    {
+      value->Get( textLabel );
+    }
   }
 
   return textLabel;