add boOK

Core/Application/VARH_VariableHandler.c

@@ -370,14 +370,14 @@ VOID VARH_vSetAllVariablesToInitData( VOID )
 BOOL VARH_vSaveVariablestoFlash( VOID )
 {
   BOOL boOK = TRUE;
-  USFL_vUnlock();
+  boOK &= USFL_vUnlock();
   for( U8 u8Var = 0; u8Var < VARH_eNumberOfVariables; u8Var++ )
   {
     if( (m_astVarInfo[u8Var].u8Flags & VARH_FLAGINFO_FLASH) == VARH_FLAGINFO_FLASH ){
       boOK &= USFL_boSetVariable(u8Var, VARH_uGetVariableData(u8Var));
     }
   }
-  USFL_vLock();
+  boOK &= USFL_vLock();
 
   return boOK;
 }