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Don't check for validity of p in lookup for root nodes, since it 

will always be NULL.  Rather, just call pt_valid with NULL directly
and let it decide if we're a linux mount or not.
This commit is contained in:
pooka 2007-02-18 01:55:26 +00:00
parent 6eb43c8c6d
commit 7b63f0de5d
1 changed files with 8 additions and 5 deletions
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13
sys/miscfs/procfs/procfs_vnops.c
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@ -1,4 +1,4 @@
/* $NetBSD: procfs_vnops.c,v 1.149 2007/02/17 22:31:44 pavel Exp $ */ /* $NetBSD: procfs_vnops.c,v 1.150 2007/02/18 01:55:26 pooka Exp $ */
/*- /*-
* Copyright (c) 2006, 2007 The NetBSD Foundation, Inc. * Copyright (c) 2006, 2007 The NetBSD Foundation, Inc.
@ -112,7 +112,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: procfs_vnops.c,v 1.149 2007/02/17 22:31:44 pavel Exp $"); __KERNEL_RCSID(0, "$NetBSD: procfs_vnops.c,v 1.150 2007/02/18 01:55:26 pooka Exp $");
#include <sys/param.h> #include <sys/param.h>
#include <sys/systm.h> #include <sys/systm.h>
@ -1001,11 +1001,14 @@ procfs_lookup(v)
for (i = 0; i < nproc_root_targets; i++) { for (i = 0; i < nproc_root_targets; i++) {
pt = &proc_root_targets[i]; pt = &proc_root_targets[i];
/*
* check for node match. proc is always NULL here,
* so call pt_valid with constant NULL lwp.
*/
if (cnp->cn_namelen == pt->pt_namlen && if (cnp->cn_namelen == pt->pt_namlen &&
memcmp(pt->pt_name, pname, cnp->cn_namelen) == 0 && memcmp(pt->pt_name, pname, cnp->cn_namelen) == 0 &&
(pt->pt_valid == NULL || (p != NULL && (pt->pt_valid == NULL ||
(*pt->pt_valid)(LIST_FIRST(&p->p_lwps), (*pt->pt_valid)(NULL, dvp->v_mount)))
dvp->v_mount))))
break; break;
} }