[5463] null check

[Gavin D. Smith]

Revision: 5463
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=5463
Author:   gavin
Date:     2014-04-17 20:15:21 +0000 (Thu, 17 Apr 2014)
Log Message:
-----------
null check

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/info/session.c

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2014-04-17 18:30:57 UTC (rev 5462)
+++ trunk/ChangeLog     2014-04-17 20:15:21 UTC (rev 5463)
@@ -1,5 +1,9 @@
 2014-04-17  Gavin Smith  <address@hidden>
 
+       * info/session.c (backward_move_node_structure): Null check.
+
+2014-04-17  Gavin Smith  <address@hidden>
+
        * info/nodes.c (adjust_nodestart): Initialize variable.
 
        * info/info-utils.c (info_parse_label): Skip whitespace before label.

Modified: trunk/info/session.c
===================================================================
--- trunk/info/session.c        2014-04-17 18:30:57 UTC (rev 5462)
+++ trunk/info/session.c        2014-04-17 20:15:21 UTC (rev 5463)
@@ -1347,12 +1347,14 @@
       spec = info_prev_label_of_node (window->node);
       info_parse_node (spec, PARSE_NODE_DFLT);
 
-      if (!spec || is_dir_name (info_parsed_filename))
+      if (!spec
+          || (info_parsed_filename && is_dir_name (info_parsed_filename)))
         {
           if (spec) free (spec);
           spec = info_up_label_of_node (window->node);
           info_parse_node (spec, PARSE_NODE_DFLT);
-          if (!spec || is_dir_name (info_parsed_filename))
+          if (!spec
+              || (info_parsed_filename && is_dir_name (info_parsed_filename)))
             {
               if (spec) free (spec);
               info_error ("%s",