From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 6 Feb 2016 05:06:20 +0000 (-0800)
Subject: Fix memory leak in AC_FUNC_MMAP
X-Git-Tag: v2.69b~85
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09b6e78d1592ce10fdc975025d699ee41444aa3f;p=thirdparty%2Fautoconf.git

Fix memory leak in AC_FUNC_MMAP

* lib/autoconf/functions.m4 (AC_FUNC_MMAP): Fix memory leak
in test case, found by configuring with gcc -fsanitize=address.
---

diff --git a/lib/autoconf/functions.m4 b/lib/autoconf/functions.m4
index 5d55e2db..51ae5a42 100644
--- a/lib/autoconf/functions.m4
+++ b/lib/autoconf/functions.m4
@@ -1342,6 +1342,8 @@ main (void)
     if (*(data + i) != *(data3 + i))
       return 14;
   close (fd);
+  free (data);
+  free (data3);
   return 0;
 }]])],
 	       [ac_cv_func_mmap_fixed_mapped=yes],