===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/su/su.c,v
retrieving revision 1.74
retrieving revision 1.75
diff -u -r1.74 -r1.75
--- src/usr.bin/su/su.c	2019/06/19 16:26:27	1.74
+++ src/usr.bin/su/su.c	2019/06/20 00:41:18	1.75
@@ -1,4 +1,4 @@
-/*	$OpenBSD: su.c,v 1.74 2019/06/19 16:26:27 millert Exp $	*/
+/*	$OpenBSD: su.c,v 1.75 2019/06/20 00:41:18 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1988 The Regents of the University of California.
@@ -351,7 +351,7 @@
 	if (pledge("stdio rpath exec", NULL) == -1)
 		err(1, "pledge");
 
-	if (pwd->pw_uid && auth_approval(as, lc, pwd->pw_name, "su") <= 0)
+	if (pwd->pw_uid && auth_approval(as, lc, pwd->pw_name, "su") == 0)
 		auth_err(as, 1, "approval failure");
 	auth_close(as);