$OpenBSD: patch-parseconfig_c,v 1.2 2021/01/08 13:32:57 sthen Exp $

From ea1717899294af93f7342069b15fc197b525ad29 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 20 Feb 2018 09:42:43 +0100
Subject: fix memory leak

Index: parseconfig.c
--- parseconfig.c.orig
+++ parseconfig.c
@@ -558,17 +558,24 @@ cfg_write_file(char *dname, char *filename)
 
     if (-1 == unlink(bfile) && ENOENT != errno) {
 	fprintf(stderr,"unlink(%s): %s\n",bfile,strerror(errno));
-	return -1;
+	goto err;
     }
     if (-1 == rename(filename,bfile) && ENOENT != errno) {
 	fprintf(stderr,"rename(%s,%s): %s\n",filename,bfile,strerror(errno));
-	return -1;
+	goto err;
     }
     if (-1 == rename(tfile,filename)) {
 	fprintf(stderr,"rename(%s,%s): %s\n",tfile,filename,strerror(errno));
-	return -1;
+	goto err;
     }
+    free(bfile);
+    free(tfile);
     return 0;
+
+err:
+    free(bfile);
+    free(tfile);
+    return -1;
 }
 
 /* ------------------------------------------------------------------------ */
