Module Name: src
Committed By: mlelstv
Date: Thu May 2 09:19:28 UTC 2019
Modified Files:
src/sys/dev: audio.c
Log Message:
take interrupt lock when closing backend.
To generate a diff of this commit:
cvs rdiff -u -r1.459 -r1.460 src/sys/dev/audio.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/audio.c
diff -u src/sys/dev/audio.c:1.459 src/sys/dev/audio.c:1.460
--- src/sys/dev/audio.c:1.459 Wed Feb 27 02:27:38 2019
+++ src/sys/dev/audio.c Thu May 2 09:19:28 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: audio.c,v 1.459 2019/02/27 02:27:38 mrg Exp $ */
+/* $NetBSD: audio.c,v 1.460 2019/05/02 09:19:28 mlelstv Exp $ */
/*-
* Copyright (c) 2016 Nathanial Sloss <[email protected]>
@@ -148,7 +148,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.459 2019/02/27 02:27:38 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.460 2019/05/02 09:19:28 mlelstv Exp $");
#ifdef _KERNEL_OPT
#include "audio.h"
@@ -2366,8 +2366,11 @@ audio_open(dev_t dev, struct audio_softc
bad:
audio_destroy_pfilters(vc);
audio_destroy_rfilters(vc);
- if (hw->close != NULL && sc->sc_opens == 0 && sc->sc_recopens == 0)
+ if (hw->close != NULL && sc->sc_opens == 0 && sc->sc_recopens == 0) {
+ mutex_enter(sc->sc_intr_lock);
hw->close(sc->hw_hdl);
+ mutex_exit(sc->sc_intr_lock);
+ }
mutex_exit(sc->sc_lock);
if (sc->sc_usemixer) {
audio_free_ring(sc, &vc->sc_mpr);
