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sysctl_free: don't have the caller acquire sysctl_treelock, do it here.

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This commit is contained in:
ad 2008-01-12 19:27:27 +00:00
parent 2e85c8c3b2
commit c03e2ac7c3
1 changed files with 6 additions and 3 deletions
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9
sys/kern/kern_sysctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_sysctl.c,v 1.213 2008/01/07 16:12:54 ad Exp $ */
/* $NetBSD: kern_sysctl.c,v 1.214 2008/01/12 19:27:27 ad Exp $ */
/*-
* Copyright (c) 2003, 2007, 2008 The NetBSD Foundation, Inc.
@ -75,7 +75,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_sysctl.c,v 1.213 2008/01/07 16:12:54 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_sysctl.c,v 1.214 2008/01/12 19:27:27 ad Exp $");
#include "opt_defcorename.h"
#include "ksyms.h"
@ -2227,13 +2227,14 @@ sysctl_free(struct sysctlnode *rnode)
{
struct sysctlnode *node, *pnode;
KASSERT(rw_write_held(&sysctl_treelock));
rw_enter(&sysctl_treelock, RW_WRITER);
if (rnode == NULL)
rnode = &sysctl_root;
if (SYSCTL_VERS(rnode->sysctl_flags) != SYSCTL_VERSION) {
printf("sysctl_free: rnode %p wrong version\n", rnode);
rw_exit(&sysctl_treelock);
return;
}
@ -2280,6 +2281,8 @@ sysctl_free(struct sysctlnode *rnode)
node = pnode;
pnode = node->sysctl_parent;
} while (pnode != NULL && node != rnode);
rw_exit(&sysctl_treelock);
}
int