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Async event can be called before the adapter is running (pmax tc asc)

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This commit is contained in:
christos 2017-07-14 17:50:11 +00:00
parent 2be84737fc
commit 18205d18b1
1 changed files with 7 additions and 4 deletions
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11
sys/dev/scsipi/scsipi_base.c
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@ -1,4 +1,4 @@
/* $NetBSD: scsipi_base.c,v 1.177 2017/06/19 20:52:20 mlelstv Exp $ */
/* $NetBSD: scsipi_base.c,v 1.178 2017/07/14 17:50:11 christos Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000, 2002, 2003, 2004 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: scsipi_base.c,v 1.177 2017/06/19 20:52:20 mlelstv Exp $");
__KERNEL_RCSID(0, "$NetBSD: scsipi_base.c,v 1.178 2017/07/14 17:50:11 christos Exp $");
#ifdef _KERNEL_OPT
#include "opt_scsi.h"
@ -2238,8 +2238,10 @@ void
scsipi_async_event(struct scsipi_channel *chan, scsipi_async_event_t event,
void *arg)
{
bool lock = chan_running(chan) > 0;
mutex_enter(chan_mtx(chan));
if (lock)
mutex_enter(chan_mtx(chan));
switch (event) {
case ASYNC_EVENT_MAX_OPENINGS:
scsipi_async_event_max_openings(chan,
@ -2256,7 +2258,8 @@ scsipi_async_event(struct scsipi_channel *chan, scsipi_async_event_t event,
scsipi_async_event_channel_reset(chan);
break;
}
mutex_exit(chan_mtx(chan));
if (lock)
mutex_exit(chan_mtx(chan));
}
/*