Prevent double free of namelogfile

backport-Remove-erroneous-free-in-use_logfile.patch

@@ -0,0 +1,24 @@
+From 520e5c6ea36289c3cc978bd0e8c86cf0a14bc4b7 Mon Sep 17 00:00:00 2001
+From: Mark Nudelman <markn@greenwoodsoftware.com>
+Date: Sun, 19 Jan 2020 09:29:37 -0800
+Subject: [PATCH] Remove erroneous free() in use_logfile.
+
+---
+ edit.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/edit.c b/edit.c
+index 0cc5697..3676971 100644
+--- a/edit.c
++++ b/edit.c
+@@ -847,7 +847,6 @@ loop:
+ 		/*
+ 		 * Don't do anything.
+ 		 */
+-		free(filename);
+ 		return;
+ 	case 'q':
+ 		quit(QUIT_OK);
+-- 
+1.8.3.1
+

less.spec

@@ -1,12 +1,13 @@
 Name:		less
 Version:	551
-Release:    4
+Release:    5
 Summary:	Less is a pager that displays text files.
 License:	GPLv3+ or BSD
 URL:		http://www.greenwoodsoftware.com/less
 Source0:	http://www.greenwoodsoftware.com/less/%{name}-%{version}.tar.gz
 Patch0:		less-394-time.patch
 Patch1:		less-418-fsync.patch
+Patch2:         backport-Remove-erroneous-free-in-use_logfile.patch
 BuildRequires:	git gcc make ncurses-devel autoconf automake libtool
 
 %description
@@ -44,6 +45,9 @@ autoreconf -ivf
 %{_mandir}/man1/*
 
 %changelog
+* Wed Mar 17 2021 wangchen<wangchen137@huawei.com> - 551-5
+- Prevent double free of namelogfile
+
 * Tue Aug 18 2020 smileknife<jackshan2010@aliyun.com> - 551-4
 - update release for rebuilding