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Release mutex before unmapping bus space to stop a locking error.

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This commit is contained in:
dyoung 2008-05-01 22:59:37 +00:00
parent 889060cb8a
commit 89e32494c3
1 changed files with 4 additions and 4 deletions
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8
sys/arch/i386/pci/elan520.c
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@ -1,4 +1,4 @@
/* $NetBSD: elan520.c,v 1.32 2008/04/28 20:23:24 martin Exp $ */
/* $NetBSD: elan520.c,v 1.33 2008/05/01 22:59:37 dyoung Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -40,7 +40,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: elan520.c,v 1.32 2008/04/28 20:23:24 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: elan520.c,v 1.33 2008/05/01 22:59:37 dyoung Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -892,10 +892,10 @@ elansc_detach(device_t self, int flags)
/* ...and clear it. */
elansc_wdogctl_reset(sc);
bus_space_unmap(sc->sc_memt, sc->sc_memh, PAGE_SIZE);
mutex_exit(&sc->sc_mtx);
mutex_destroy(&sc->sc_mtx);
bus_space_unmap(sc->sc_memt, sc->sc_memh, PAGE_SIZE);
elansc_attached = false;
return 0;
}