[src/netbsd-1-5]: src/sys/nfs Pull up revision 1.93 (requested by wrstuden):

[he <he%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/73f814cada1b
branches:  netbsd-1-5
changeset: 491187:73f814cada1b
user:      he <he%NetBSD.org@localhost>
date:      Fri Apr 06 00:02:45 2001 +0000

description:
Pull up revision 1.93 (requested by wrstuden):
  Explicitly VOP_UNLOCK before setting v_op to spec_vnode_ops_p.
  Works around a lock leak and eventual kernel panic.

diffstat:

 sys/nfs/nfs_subs.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (20 lines):

diff -r 966cea5faf9c -r 73f814cada1b sys/nfs/nfs_subs.c
--- a/sys/nfs/nfs_subs.c        Thu Apr 05 23:56:00 2001 +0000
+++ b/sys/nfs/nfs_subs.c        Fri Apr 06 00:02:45 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nfs_subs.c,v 1.77.2.3 2000/12/14 23:37:09 he Exp $     */
+/*     $NetBSD: nfs_subs.c,v 1.77.2.4 2001/04/06 00:02:45 he Exp $     */
 
 /*
  * Copyright (c) 1989, 1993
@@ -1595,8 +1595,9 @@
                                 */
                                nvp->v_data = vp->v_data;
                                vp->v_data = NULL;
+                               VOP_UNLOCK(vp, 0);
                                vp->v_op = spec_vnodeop_p;
-                               vput(vp);
+                               vrele(vp);
                                vgone(vp);
                                /*
                                 * XXX When nfs starts locking, we need to