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[src/trunk]: src/sys/nfs fix panic introduced by my previous commit.
details: https://anonhg.NetBSD.org/src/rev/254cd15e034e
branches: trunk
changeset: 538534:254cd15e034e
user: yamt <yamt%NetBSD.org@localhost>
date: Tue Oct 22 10:10:28 2002 +0000
description:
fix panic introduced by my previous commit.
for device special files, VOP_UNLOCK is called
by nfs_loadattrcache with v_data == 0.
reported and tested by Matthias Drochner.
diffstat:
sys/nfs/nfs_vnops.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diffs (33 lines):
diff -r 8577b3f7412d -r 254cd15e034e sys/nfs/nfs_vnops.c
--- a/sys/nfs/nfs_vnops.c Tue Oct 22 09:30:26 2002 +0000
+++ b/sys/nfs/nfs_vnops.c Tue Oct 22 10:10:28 2002 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: nfs_vnops.c,v 1.154 2002/10/22 02:19:57 simonb Exp $ */
+/* $NetBSD: nfs_vnops.c,v 1.155 2002/10/22 10:10:28 yamt Exp $ */
/*
* Copyright (c) 1989, 1993
@@ -43,7 +43,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nfs_vnops.c,v 1.154 2002/10/22 02:19:57 simonb Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nfs_vnops.c,v 1.155 2002/10/22 10:10:28 yamt Exp $");
#include "opt_nfs.h"
#include "opt_uvmhist.h"
@@ -3105,7 +3105,13 @@
} */ *ap = v;
struct vnode *vp = ap->a_vp;
- nfs_delayedtruncate(vp);
+ /*
+ * VOP_UNLOCK can be called by nfs_loadattrcache
+ * with v_data == 0.
+ */
+ if (VTONFS(vp)) {
+ nfs_delayedtruncate(vp);
+ }
return genfs_unlock(v);
}
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