From 6245e5a8f2a5b925e52b4eb4aaa3a2f91408344e Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Mon, 13 Apr 2020 12:57:07 +0200
Subject: Issue #1514 - Perform validity check before trying to use the
 content.

Resolves #1514
---
 editor/libeditor/HTMLStyleEditor.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'editor')

diff --git a/editor/libeditor/HTMLStyleEditor.cpp b/editor/libeditor/HTMLStyleEditor.cpp
index bc7141ad33..6a1ffe8b41 100644
--- a/editor/libeditor/HTMLStyleEditor.cpp
+++ b/editor/libeditor/HTMLStyleEditor.cpp
@@ -333,8 +333,9 @@ HTMLEditor::SetInlinePropertyOnTextNode(Text& aText,
   RefPtr<Text> text = &aText;
   if (uint32_t(aEndOffset) != aText.Length()) {
     // We need to split off back of text node
-    text = SplitNode(aText, aEndOffset, rv)->GetAsText();
+    nsIContent* textNode = SplitNode(aText, aEndOffset, rv);
     NS_ENSURE_TRUE(!rv.Failed(), rv.StealNSResult());
+    text = textNode->GetAsText();
   }
 
   if (aStartOffset) {
-- 
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