From 09ed7d4e50dddbb1ea2e453ccd3c63799fb4c908 Mon Sep 17 00:00:00 2001
From: anton <anton@openbsd.org>
Date: Wed, 15 Sep 2021 04:57:47 +0000
Subject: [PATCH] Change the errno to ENOTTY when encountering an unknown ioctl
 command as opposed of using EINVAL which is ambiguous in this context.

ok deraadt@
---
 sys/dev/usb/uhid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/dev/usb/uhid.c b/sys/dev/usb/uhid.c
index 883a65cc264..90a75d878e3 100644
--- a/sys/dev/usb/uhid.c
+++ b/sys/dev/usb/uhid.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uhid.c,v 1.86 2021/09/12 06:58:08 anton Exp $ */
+/*	$OpenBSD: uhid.c,v 1.87 2021/09/15 04:57:47 anton Exp $ */
 /*	$NetBSD: uhid.c,v 1.57 2003/03/11 16:44:00 augustss Exp $	*/
 
 /*
@@ -392,7 +392,7 @@ uhid_do_ioctl(struct uhid_softc *sc, u_long cmd, caddr_t addr,
 	default:
 		rc = uhidev_ioctl(&sc->sc_hdev, cmd, addr, flag, p);
 		if (rc == -1)
-			rc = EINVAL;
+			rc = ENOTTY;
 		return rc;
 	}
 	return (0);
-- 
2.20.1