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Release tdvp in an appropriate VOP_RENAME error branch to avoid 

panic described in PR kern/40948.

As usual, all the error branches in rename live based on an unholy
amalgamation of prayer and the blood of cute, furry and tasty
quadrupeds, so I won't even attempt to audit the rest.

And this wapbl rename really really needs to be merged with the
standard rename.  That should be a fun PhD thesis topic ....
This commit is contained in:
pooka 2009-04-02 11:33:04 +00:00
parent c69ace3c05
commit 095a7dd3b6
1 changed files with 4 additions and 2 deletions
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6
sys/ufs/ufs/ufs_wapbl.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ufs_wapbl.c,v 1.5 2009/02/22 20:28:07 ad Exp $ */
/* $NetBSD: ufs_wapbl.c,v 1.6 2009/04/02 11:33:04 pooka Exp $ */
/*-
* Copyright (c) 2003,2006,2008 The NetBSD Foundation, Inc.
@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ufs_wapbl.c,v 1.5 2009/02/22 20:28:07 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: ufs_wapbl.c,v 1.6 2009/04/02 11:33:04 pooka Exp $");
#if defined(_KERNEL_OPT)
#include "opt_quota.h"
@ -357,6 +357,8 @@ wapbl_ufs_rename(void *v)
} else {
error = VOP_LOOKUP(fdvp, &fvp, fcnp);
if (error && (error != EJUSTRETURN)) {
vput(ITOV(tdp));
tdp = NULL;
vrele(ap->a_fvp);
goto out2;
}