From 8f1a9338a92ed5243c71abdcaf910bea0d2be8a0 Mon Sep 17 00:00:00 2001
From: mpi <mpi@openbsd.org>
Date: Wed, 7 Jan 2015 10:32:13 +0000
Subject: [PATCH] Only MS IntelliMouse have a Z axis, prevent a false positive
 triggered by -Wuninitialized reported by jsg@.

ok stsp@
---
 sys/dev/pckbc/pms.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/sys/dev/pckbc/pms.c b/sys/dev/pckbc/pms.c
index 79a5404443f..7b8a3b67576 100644
--- a/sys/dev/pckbc/pms.c
+++ b/sys/dev/pckbc/pms.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pms.c,v 1.54 2014/08/29 20:09:09 shadchin Exp $ */
+/* $OpenBSD: pms.c,v 1.55 2015/01/07 10:32:13 mpi Exp $ */
 /* $NetBSD: psm.c,v 1.11 2000/06/05 22:20:57 sommerfeld Exp $ */
 
 /*-
@@ -614,14 +614,10 @@ pms_proc_mouse(struct pms_softc *sc)
 	dy = (sc->packet[0] & PMS_PS2_YNEG) ?
 	    (int)sc->packet[2] - 256 : sc->packet[2];
 
-	switch (sc->protocol->type) {
-	case PMS_STANDARD:
-		dz = 0;
-		break;
-	case PMS_INTELLI:
+	if (sc->protocol->type == PMS_INTELLI)
 		dz = (signed char)sc->packet[3];
-		break;
-	}
+	else
+		dz = 0;
 
 	wsmouse_input(sc->sc_wsmousedev,
 	    buttons, dx, dy, dz, 0, WSMOUSE_INPUT_DELTA);
-- 
2.20.1