ovs-vsctl: Check "key" is valid before dereferencing in get_external_id().

[sliver-openvswitch.git] / ovsdb / ovsdb-dot.in

diff --git a/ovsdb/ovsdb-dot.in b/ovsdb/ovsdb-dot.in
index 4569f2e..571ac8f 100755 (executable)
--- a/ovsdb/ovsdb-dot.in
+++ b/ovsdb/ovsdb-dot.in
@@ -29,6 +29,7 @@ def schemaToDot(schemaFile):
         print '\tsize="6.5,4";'
         print '\tmargin="0";'
         print "\tnode [shape=box];"
+        print "\tedge [dir=none, arrowhead=none, arrowtail=none];"
         print "\t%s;" % tableName
         for columnName, column in table.columns.iteritems():
             if column.type.value:
@@ -67,14 +68,14 @@ if __name__ == "__main__":
                 print "ovsdb-dot (Open vSwitch) @VERSION@"
             else:
                 sys.exit(0)
-            
+
         if len(args) != 1:
             sys.stderr.write("%s: exactly 1 non-option argument required "
                              "(use --help for help)\n" % argv0)
             sys.exit(1)
 
         schemaToDot(args[0])
-        
+
     except ovs.db.error.Error, e:
         sys.stderr.write("%s: %s\n" % (argv0, e.msg))
         sys.exit(1)