[src/trunk]: src/sys/dev Fix over cautious compiler error - setmode may not b...

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

details:   https://anonhg.NetBSD.org/src/rev/5981e64e9215
branches:  trunk
changeset: 361861:5981e64e9215
user:      nat <nat%NetBSD.org@localhost>
date:      Tue May 15 10:23:03 2018 +0000

description:
Fix over cautious compiler error - setmode may not be initialized.

diffstat:

 sys/dev/audio.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (34 lines):

diff -r d2ec1c26e043 -r 5981e64e9215 sys/dev/audio.c
--- a/sys/dev/audio.c   Tue May 15 10:17:55 2018 +0000
+++ b/sys/dev/audio.c   Tue May 15 10:23:03 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: audio.c,v 1.454 2018/05/15 00:28:00 nat Exp $  */
+/*     $NetBSD: audio.c,v 1.455 2018/05/15 10:23:03 nat Exp $  */
 
 /*-
  * Copyright (c) 2016 Nathanial Sloss <nathanialsloss%yahoo.com.au@localhost>
@@ -148,7 +148,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.454 2018/05/15 00:28:00 nat Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.455 2018/05/15 10:23:03 nat Exp $");
 
 #ifdef _KERNEL_OPT
 #include "audio.h"
@@ -4567,6 +4567,7 @@
        pp = vc->sc_pparams;    /* Temporary encoding storage in */
        rp = vc->sc_rparams;    /* case setting the modes fails. */
        nr = np = 0;
+       setmode = 0;
 
        if (vc == &sc->sc_mixring)
                goto done;
@@ -4624,7 +4625,6 @@
        if (np > 0 && (error = audio_check_params(&pp)))
                return error;
 
-       setmode = 0;
        if (nr > 0) {
                if (!cleared) {
                        audio_clear_intr_unlocked(sc, vc);