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[src/trunk]: src/sys/kern description:
details: https://anonhg.NetBSD.org/src/rev/b9109a618baa
branches: trunk
changeset: 764081:b9109a618baa
user: dholland <dholland%NetBSD.org@localhost>
date: Mon Apr 11 02:19:11 2011 +0000
description:
description:
namei_follow() randomly drops foundobj on success. Do that in the
caller instead. On the other hand, the caller was updating cn_nameptr,
and since that's closely related to the buffer manipulation in
namei_follow, do that there.
diffstat:
sys/kern/vfs_lookup.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diffs (39 lines):
diff -r ca002f9453e5 -r b9109a618baa sys/kern/vfs_lookup.c
--- a/sys/kern/vfs_lookup.c Mon Apr 11 02:18:20 2011 +0000
+++ b/sys/kern/vfs_lookup.c Mon Apr 11 02:19:11 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vfs_lookup.c,v 1.166 2011/04/11 02:18:20 dholland Exp $ */
+/* $NetBSD: vfs_lookup.c,v 1.167 2011/04/11 02:19:11 dholland Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1993
@@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vfs_lookup.c,v 1.166 2011/04/11 02:18:20 dholland Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vfs_lookup.c,v 1.167 2011/04/11 02:19:11 dholland Exp $");
#include "opt_magiclinks.h"
@@ -692,7 +692,9 @@
ndp->ni_pathlen += linklen;
memcpy(ndp->ni_pnbuf, cp, ndp->ni_pathlen);
PNBUF_PUT(cp);
- vput(foundobj);
+
+ /* we're now starting from the beginning of the buffer again */
+ cnp->cn_nameptr = ndp->ni_pnbuf;
/*
* Check if root directory should replace current directory.
@@ -1181,7 +1183,8 @@
ndp->ni_vp = NULL;
return error;
}
- cnp->cn_nameptr = ndp->ni_pnbuf;
+ vput(foundobj);
+ foundobj = NULL;
continue;
}
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