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Assert that we can a valid inode when looking up a file handle.

This commit is contained in:
tron 2012-04-04 19:52:48 +00:00
parent 7e04109e7f
commit fe27549953
1 changed files with 3 additions and 2 deletions
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5
sys/ufs/ufs/ufs_vfsops.c
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@ -1,4 +1,4 @@
/* $NetBSD: ufs_vfsops.c,v 1.50 2012/02/01 05:34:43 dholland Exp $ */
/* $NetBSD: ufs_vfsops.c,v 1.51 2012/04/04 19:52:48 tron Exp $ */
/*
* Copyright (c) 1991, 1993, 1994
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ufs_vfsops.c,v 1.50 2012/02/01 05:34:43 dholland Exp $");
__KERNEL_RCSID(0, "$NetBSD: ufs_vfsops.c,v 1.51 2012/04/04 19:52:48 tron Exp $");
#if defined(_KERNEL_OPT)
#include "opt_ffs.h"
@ -223,6 +223,7 @@ ufs_fhtovp(struct mount *mp, struct ufid *ufhp, struct vnode **vpp)
return (error);
}
ip = VTOI(nvp);
KASSERT(ip != NULL);
if (ip->i_mode == 0 || ip->i_gen != ufhp->ufid_gen) {
vput(nvp);
*vpp = NULLVP;