[src/trunk]: src/sys/arch/sparc/dev Initialise the mutex before we use it.

[jdc <jdc%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/72eba8a89a71
branches:  trunk
changeset: 972882:72eba8a89a71
user:      jdc <jdc%NetBSD.org@localhost>
date:      Sat Jun 13 05:31:28 2020 +0000

description:
Initialise the mutex before we use it.

diffstat:

 sys/arch/sparc/dev/tctrl.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (35 lines):

diff -r 41ac1d9337ef -r 72eba8a89a71 sys/arch/sparc/dev/tctrl.c
--- a/sys/arch/sparc/dev/tctrl.c        Sat Jun 13 01:41:59 2020 +0000
+++ b/sys/arch/sparc/dev/tctrl.c        Sat Jun 13 05:31:28 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tctrl.c,v 1.61 2017/10/25 08:12:37 maya Exp $  */
+/*     $NetBSD: tctrl.c,v 1.62 2020/06/13 05:31:28 jdc Exp $   */
 
 /*-
  * Copyright (c) 1998, 2005, 2006 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tctrl.c,v 1.61 2017/10/25 08:12:37 maya Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tctrl.c,v 1.62 2020/06/13 05:31:28 jdc Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -260,6 +260,8 @@
 
        sc->sc_tft_on = 1;
 
+       mutex_init(&sc->sc_requestlock, MUTEX_DEFAULT, IPL_NONE);
+
        /* clear any pending data.
         */
        for (i = 0; i < 10000; i++) {
@@ -312,7 +314,6 @@
        sc->sc_ext_pending = 0;
                sc->sc_ext_pending = 0;
 
-       mutex_init(&sc->sc_requestlock, MUTEX_DEFAULT, IPL_NONE);
        selinit(&sc->sc_rsel);
 
        /* setup sensors and register the power button */