From 40ed082c24dc424f9502c7c31051d42c03ecfc69 Mon Sep 17 00:00:00 2001
From: mpa <mpa@opencascade.com>
Date: Thu, 27 Aug 2015 16:34:51 +0300
Subject: [PATCH] INT PAL 0052843: SIGSEGV when saving study if module which
 data is present in the study is not in the current session

---
 src/SALOMEDS/SALOMEDS_Driver_i.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/SALOMEDS/SALOMEDS_Driver_i.cxx b/src/SALOMEDS/SALOMEDS_Driver_i.cxx
index cd2e26187..43120f9e9 100644
--- a/src/SALOMEDS/SALOMEDS_Driver_i.cxx
+++ b/src/SALOMEDS/SALOMEDS_Driver_i.cxx
@@ -227,7 +227,8 @@ std::string SALOMEDS_Driver_i::LocalPersistentIDToIOR(const SALOMEDSImpl_SObject
 
   if ( !CORBA::is_nil(_driver) ) {
     CORBA::String_var IOR = _driver->LocalPersistentIDToIOR(so.in(), pers_string.in(), isMultiFile, isASCII);
-    ior = IOR;
+    if ( IOR.in() )
+      ior = IOR;
   }
   so->UnRegister();
   SALOMEDS::lock();
-- 
2.39.2