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drop sc_intr_lock when calling into uaudio_chan_ptransfer().

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mrg 2011-11-27 04:32:41 +00:00
parent 1ca7f87732
commit 69c41efb88
1 changed files with 4 additions and 2 deletions
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6
sys/dev/usb/uaudio.c
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@ -1,4 +1,4 @@
/* $NetBSD: uaudio.c,v 1.122 2011/11/27 04:10:38 mrg Exp $ */
/* $NetBSD: uaudio.c,v 1.123 2011/11/27 04:32:41 mrg Exp $ */
/*
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.122 2011/11/27 04:10:38 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.123 2011/11/27 04:32:41 mrg Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -2664,10 +2664,12 @@ uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
ch->arg = arg;
KERNEL_LOCK(1, curlwp);
mutex_spin_exit(&sc->sc_intr_lock);
s = splusb();
for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
uaudio_chan_ptransfer(ch);
splx(s);
mutex_spin_enter(&sc->sc_intr_lock);
KERNEL_UNLOCK_ONE(curlwp);
return 0;