diff options
| author |   tedu <tedu@openbsd.org> | 2004-06-09 22:54:14 +0000 |
|---|---|---|
| committer | tedu <tedu@openbsd.org> | 2004-06-09 22:54:14 +0000 |
| commit | fc259cc0ee9819fafba5d8c52b283069e3b9410f (patch) | |
| tree | 762bfb53ee36fb4913f7be80da298fb1113c3cbf /sys/kern/vfs_default.c | |
| parent | Merge in a piece of the SMP branch into HEAD. (diff) | |
| download | wireguard-openbsd-fc259cc0ee9819fafba5d8c52b283069e3b9410f.tar.xz wireguard-openbsd-fc259cc0ee9819fafba5d8c52b283069e3b9410f.zip | |
in theory, vnlock should alays be NULL in the generic lock (sic) functions.
in reality, sometimes it's not. we don't trust vnlock, and since it's 100%
guaranteed to panic if it gets here, just completely stop using it.
crash by henning, ok deraadt
Diffstat (limited to 'sys/kern/vfs_default.c')
| -rw-r--r-- | sys/kern/vfs_default.c | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c index d0f923ee2d3..720c3fb8dd8 100644 --- a/sys/kern/vfs_default.c +++ b/sys/kern/vfs_default.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vfs_default.c,v 1.24 2004/05/14 04:00:33 tedu Exp $ */ +/* $OpenBSD: vfs_default.c,v 1.25 2004/06/09 22:54:14 tedu Exp $ */ /* * Portions of this code are: @@ -225,18 +225,7 @@ int vop_generic_unlock(v) void *v; { - struct vop_unlock_args /* { - struct vnodeop_desc *a_desc; - struct vnode *a_vp; - int a_flags; - struct proc *a_p; - } */ *ap = v; - - struct vnode *vp = ap->a_vp; - - if (vp->v_vnlock == NULL) - return (0); - return (lockmgr(vp->v_vnlock, LK_RELEASE, NULL, ap->a_p)); + return (0); } /* @@ -246,16 +235,7 @@ int vop_generic_islocked(v) void *v; { - struct vop_islocked_args /* { - struct vnodeop_desc *a_desc; - struct vnode *a_vp; - } */ *ap = v; - - struct vnode *vp = ap->a_vp; - - if (vp->v_vnlock == NULL) - return (0); - return (lockstatus(vp->v_vnlock)); + return (0); } struct filterops generic_filtops = |