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Do not try to unload the pciverbose module if it had never been loaded.

This commit is contained in:
martin 2010-05-26 09:42:42 +00:00
parent 94642857bf
commit 6e4424cb5b
1 changed files with 7 additions and 4 deletions
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11
sys/dev/pci/pci_subr.c
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@ -1,4 +1,4 @@
/* $NetBSD: pci_subr.c,v 1.81 2010/05/25 08:35:45 pgoyette Exp $ */
/* $NetBSD: pci_subr.c,v 1.82 2010/05/26 09:42:42 martin Exp $ */
/*
* Copyright (c) 1997 Zubin D. Dittia. All rights reserved.
@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pci_subr.c,v 1.81 2010/05/25 08:35:45 pgoyette Exp $");
__KERNEL_RCSID(0, "$NetBSD: pci_subr.c,v 1.82 2010/05/26 09:42:42 martin Exp $");
#ifdef _KERNEL_OPT
#include "opt_pci.h"
@ -328,10 +328,13 @@ void pci_verbose_ctl(bool load)
if (load) {
if (loaded++ == 0)
module_load("pciverbose", MODCTL_LOAD_FORCE, NULL,
MODULE_CLASS_MISC);
if (module_load("pciverbose", MODCTL_LOAD_FORCE, NULL,
MODULE_CLASS_MISC) !=0 )
loaded = 0;
return;
}
if (loaded == 0)
return;
if (--loaded == 0)
module_unload("pciverbose");
}