X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=lib%2FcpPlugins%2FInterface%2FProcessObject.cxx;h=72897d6729a615ca3368a85a62c434297e8063cf;hb=6ffc11d77924d6ab7e94db95d41105982ac73e00;hp=e2ea0de61e79640917d122c376c24a2eed027b2f;hpb=7e29f3aec097ba1bff1894fed6eb1094276c5b72;p=cpPlugins.git

diff --git a/lib/cpPlugins/Interface/ProcessObject.cxx b/lib/cpPlugins/Interface/ProcessObject.cxx
index e2ea0de..72897d6 100644
--- a/lib/cpPlugins/Interface/ProcessObject.cxx
+++ b/lib/cpPlugins/Interface/ProcessObject.cxx
@@ -154,7 +154,12 @@ Update( )
   {
     bool iv = i->second.IsValid( );
     bool ir = i->second.IsRequired( );
-    if( iv || !ir )
+    if( !iv && ir )
+      r =
+        "ProcessObject: Required input \"" +
+        i->first + "@" + this->GetClassName( ) +
+        "\" is not valid (=NULL).";
+    if( iv && r == "" )
     {
       Self* src = dynamic_cast< Self* >( i->second->GetSource( ) );
       if( src != NULL )
@@ -163,12 +168,8 @@ Update( )
         r = src->Update( );
 
       } // fi
-    }
-    else
-      r =
-        "ProcessObject: Required input \"" +
-        i->first + "@" + this->GetClassName( ) +
-        "\" is not valid (=NULL).";
+
+    } // fi
 
   } // rof