[evolution/gnome-3-18] EHTMLEditorUtils - prev_parent variable can be used uninitialized

[Tomas Popela <tpopela src gnome org>]

commit 37551599b8fa53a6ee2a3e519b3d1c3d6f4c8d43
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Feb 12 10:38:27 2016 +0100

    EHTMLEditorUtils - prev_parent variable can be used uninitialized

 e-util/e-html-editor-utils.c |   16 +++++++++-------
 1 files changed, 9 insertions(+), 7 deletions(-)
---
diff --git a/e-util/e-html-editor-utils.c b/e-util/e-html-editor-utils.c
index e18ef7f..7a840d5 100644
--- a/e-util/e-html-editor-utils.c
+++ b/e-util/e-html-editor-utils.c
@@ -321,7 +321,7 @@ split_node_into_two (WebKitDOMNode *item,
        gint current_level = 1;
        WebKitDOMDocument *document;
        WebKitDOMDocumentFragment *fragment;
-       WebKitDOMNode *parent, *prev_parent, *tmp;
+       WebKitDOMNode *parent, *prev_parent = NULL, *tmp = NULL;
 
        document = webkit_dom_node_get_owner_document (item);
        fragment = webkit_dom_document_create_document_fragment (document);
@@ -366,12 +366,14 @@ split_node_into_two (WebKitDOMNode *item,
                current_level++;
        }
 
-       tmp = webkit_dom_node_insert_before (
-               parent,
-               webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (fragment)),
-               webkit_dom_node_get_next_sibling (prev_parent),
-               NULL);
-       remove_node_if_empty (prev_parent);
+       if (prev_parent) {
+               tmp = webkit_dom_node_insert_before (
+                       parent,
+                       webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (fragment)),
+                       webkit_dom_node_get_next_sibling (prev_parent),
+                       NULL);
+               remove_node_if_empty (prev_parent);
+       }
 
        return tmp;
 }