Merged revisions 273565 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r273565 | russell | 2010-07-01 17:09:19 -0500 (Thu, 01 Jul 2010) | 7 lines
  
  Don't return a partially initialized datastore.
  
  If memory allocation fails in ast_strdup(), don't return a partially
  initialized datastore.  Bad things may happen.
  
  (related to ABE-2415)
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@273566 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/datastore.c

@@ -50,7 +50,10 @@ struct ast_datastore *__ast_datastore_alloc(const struct ast_datastore_info *inf
 
 	datastore->info = info;
 
-	datastore->uid = ast_strdup(uid);
+	if (!ast_strlen_zero(uid) && !(datastore->uid = ast_strdup(uid))) {
+		ast_free(datastore);
+		datastore = NULL;
+	}
 
 	return datastore;
 }