From 92974634d285448bbf2007a9bcfedf247a26a39b Mon Sep 17 00:00:00 2001
From: Tomas Popela <tpopela@redhat.com>
Date: Mon, 23 Jul 2018 10:55:52 +0200
Subject: [PATCH 05/17] Check whether variable node is set before dereferencing
 it

yelp-3.28.1/libyelp/yelp-info-parser.c:766: dereference: Dereferencing a pointer that might be null "node" when calling "strncmp".
---
 libyelp/yelp-info-parser.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libyelp/yelp-info-parser.c b/libyelp/yelp-info-parser.c
index d0e767bc..0c383bfe 100644
--- a/libyelp/yelp-info-parser.c
+++ b/libyelp/yelp-info-parser.c
@@ -734,7 +734,7 @@ process_page (GtkTreeStore *tree,
 	  g_free (next);
 	  next = NULL;
 	}
-	if (g_str_equal (node, "Top") && prev != NULL) {
+	if (node && g_str_equal (node, "Top") && prev != NULL) {
 	  g_free (prev);
 	  prev = NULL;
 	}
@@ -763,7 +763,7 @@ process_page (GtkTreeStore *tree,
 	}
 	if (prev && g_ascii_strncasecmp (prev, "(dir)", 5))
 	  {
-	    if (strncmp (node, "Top", 3)) {
+	    if (node && strncmp (node, "Top", 3)) {
 	      /* Special case the Top node to always appear first */
 	    } else {
 	      page = node2page (nodes2pages, prev);
-- 
2.19.1