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take the kernel lock during detach of atapibus as well.

This commit is contained in:
chs 2012-04-06 17:12:45 +00:00
parent 7484216ecb
commit 9bf3cb01a7
1 changed files with 8 additions and 2 deletions
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10
sys/dev/scsipi/atapiconf.c
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@ -1,4 +1,4 @@
/* $NetBSD: atapiconf.c,v 1.83 2010/06/07 01:41:39 pgoyette Exp $ */
/* $NetBSD: atapiconf.c,v 1.84 2012/04/06 17:12:45 chs Exp $ */
/*
* Copyright (c) 1996, 2001 Manuel Bouyer. All rights reserved.
@ -25,7 +25,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: atapiconf.c,v 1.83 2010/06/07 01:41:39 pgoyette Exp $");
__KERNEL_RCSID(0, "$NetBSD: atapiconf.c,v 1.84 2012/04/06 17:12:45 chs Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -171,6 +171,9 @@ atapibuschilddet(device_t self, device_t child)
struct scsipi_periph *periph;
int target;
/* XXXSMP scsipi */
KERNEL_LOCK(1, curlwp);
for (target = 0; target < chan->chan_ntargets; target++) {
periph = scsipi_lookup_periph(chan, target, 0);
if (periph == NULL || periph->periph_dev != child)
@ -179,6 +182,9 @@ atapibuschilddet(device_t self, device_t child)
free(periph, M_DEVBUF);
break;
}
/* XXXSMP scsipi */
KERNEL_UNLOCK_ONE(curlwp);
}
static int