Profinet rt bugfixes

profibus/lib/rt/src/os_linux/rt_io_m_pncontrollersoftingpnak.cpp

@@ -293,6 +293,8 @@ static pwr_tStatus IoAgentInit (
 	  local->device_data[ii]->iocr_data[jj]->clean_io_data = (unsigned char *) calloc(1, offset_inputs + offset_outputs);
 	  local->device_data[ii]->iocr_data[jj]->clean_io_data_length = offset_inputs + offset_outputs;
 	}
+      } else {
+	errh_Error( "Download of Profinet Device configuration failed for: %s", device_vect[ii]->device_name);
       }
     }
   }

profibus/lib/rt/src/os_linux/rt_io_m_pndevice.cpp

@@ -246,7 +246,8 @@ static pwr_tStatus IoRackRead (
   }
   
   if (sp->ErrorCount > sp->ErrorSoftLimit ) {
-    memset(((io_sPnRackLocal *)(rp->Local))->inputs, 0, ((io_sPnRackLocal *)(rp->Local))->bytes_of_input);
+    if ( ((io_sPnRackLocal *)(rp->Local))->bytes_of_input > 0)
+      memset(((io_sPnRackLocal *)(rp->Local))->inputs, 0, ((io_sPnRackLocal *)(rp->Local))->bytes_of_input);
   }
   
   //  if (sp->ErrorCount > sp->ErrorHardLimit && sp->StallAction >= pwr_ePbStallAction_EmergencyBreak) {

profibus/lib/rt/src/os_linux/rt_io_pnak_locals.h

@@ -57,7 +57,7 @@ typedef struct _PN_Alarm_Data {
 
 class PnIOCRData {
  public:
-  PnIOCRData() : type(0), number_modules(0), identifier(0), io_data_length(0) {}
+  PnIOCRData() : type(0), number_modules(0), identifier(0), io_data_length(0), clean_io_data_length(0) {}
   
   unsigned short type;
   unsigned short number_modules;