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Don't try to autoload modules before root is mounted.

This commit is contained in:
christos 2017-04-11 14:31:55 +00:00
parent b7fb52a55b
commit e85d5cbc14
1 changed files with 11 additions and 2 deletions
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13
sys/kern/kern_module.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_module.c,v 1.120 2017/02/01 01:51:07 maya Exp $ */
/* $NetBSD: kern_module.c,v 1.121 2017/04/11 14:31:55 christos Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_module.c,v 1.120 2017/02/01 01:51:07 maya Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_module.c,v 1.121 2017/04/11 14:31:55 christos Exp $");
#define _MODULE_INTERNAL
@ -54,6 +54,7 @@ __KERNEL_RCSID(0, "$NetBSD: kern_module.c,v 1.120 2017/02/01 01:51:07 maya Exp $
#include <sys/kthread.h>
#include <sys/sysctl.h>
#include <sys/lock.h>
#include <sys/vnode.h>
#include <uvm/uvm_extern.h>
@ -608,6 +609,14 @@ module_autoload(const char *filename, modclass_t modclass)
{
int error;
if (rootvnode == NULL) {
#ifdef DIAGNOSTIC
printf("%s: trying to load `%s' before root is mounted\n",
__func__, filename);
#endif
return;
}
kernconfig_lock();
/* Nothing if the user has disabled it. */