From 693ec82b8e663fa43e54751b5157c5612d843092 Mon Sep 17 00:00:00 2001
From: Kristaps Dzonsons <kristaps@bsd.lv>
Date: Sun, 8 Mar 2009 12:46:38 +0000
Subject: [PATCH] Fixed null-pointer dereference.

---
 argv.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/argv.c b/argv.c
index 9cd53503..9499bd85 100644
--- a/argv.c
+++ b/argv.c
@@ -1,4 +1,4 @@
-/* $Id: argv.c,v 1.40 2009/03/08 12:40:27 kristaps Exp $ */
+/* $Id: argv.c,v 1.41 2009/03/08 12:46:38 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -293,6 +293,9 @@ mdoc_argv_free(struct mdoc_arg *p)
 {
 	int		 i, j;
 
+	if (NULL == p)
+		return;
+
 	if (p->refcnt) {
 		--(p->refcnt);
 		if (p->refcnt)
-- 
2.47.1