From: Fletcher T. Penney <fletcher@fletcherpenney.net>
Date: Sat, 18 Aug 2018 15:01:25 +0000 (-0400)
Subject: FIXED: Prevent potential null dereference
X-Git-Tag: 6.4.0^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=eda48a55813590ad801bd1131768a16d86c55980;p=multimarkdown

FIXED: Prevent potential null dereference
---

diff --git a/Sources/libMultiMarkdown/writer.c b/Sources/libMultiMarkdown/writer.c
index 8dccf8d..4138af4 100644
--- a/Sources/libMultiMarkdown/writer.c
+++ b/Sources/libMultiMarkdown/writer.c
@@ -1389,8 +1389,10 @@ void process_definition_block(mmd_engine * e, token * block) {
 					}
 
 					// Adjust the properties
-					free(f->label_text);
-					f->label_text = f->clean_text;
+					if (f) {
+						free(f->label_text);
+						f->label_text = f->clean_text;
+					}
 
 					if (f->content->child &&
 							f->content->child->next &&