From cf2c154df332b9ce97b222523b6e3206936f612e Mon Sep 17 00:00:00 2001
From: op <op@openbsd.org>
Date: Wed, 22 Mar 2023 22:09:37 +0000
Subject: [PATCH] plug another leak in addctag; found + ok tb@

---
 usr.bin/mg/tags.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/usr.bin/mg/tags.c b/usr.bin/mg/tags.c
index cd87ee556e7..0e44c0f971e 100644
--- a/usr.bin/mg/tags.c
+++ b/usr.bin/mg/tags.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: tags.c,v 1.22 2023/03/22 19:42:41 op Exp $	*/
+/*	$OpenBSD: tags.c,v 1.23 2023/03/22 22:09:37 op Exp $	*/
 
 /*
  * This file is in the public domain.
@@ -388,7 +388,8 @@ addctag(char *s)
 	if (*l == '\0')
 		goto cleanup;
 	t->pat = strip(l, strlen(l));
-	RB_INSERT(tagtree, &tags, t);
+	if (RB_INSERT(tagtree, &tags, t) != NULL)
+		goto cleanup;
 	return (TRUE);
 cleanup:
 	free(t);
-- 
2.20.1