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Don't call mutex_spin_exit on already released lock.

This commit is contained in:
skrll 2013-09-27 13:34:48 +00:00
parent 8225e7146f
commit a0e66c725f
1 changed files with 2 additions and 4 deletions
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6
sys/dev/usb/uaudio.c
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@ -1,4 +1,4 @@
/* $NetBSD: uaudio.c,v 1.138 2013/09/15 15:04:47 martin Exp $ */
/* $NetBSD: uaudio.c,v 1.139 2013/09/27 13:34:48 skrll Exp $ */
/*
* Copyright (c) 1999, 2012 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.138 2013/09/15 15:04:47 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.139 2013/09/27 13:34:48 skrll Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -2602,7 +2602,6 @@ uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
ch->intr = intr;
ch->arg = arg;
mutex_spin_exit(&sc->sc_intr_lock);
for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
uaudio_chan_rtransfer(ch);
mutex_spin_enter(&sc->sc_intr_lock);
@ -2649,7 +2648,6 @@ uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
ch->intr = intr;
ch->arg = arg;
mutex_spin_exit(&sc->sc_intr_lock);
for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
uaudio_chan_ptransfer(ch);
mutex_spin_enter(&sc->sc_intr_lock);