From 8e28bcd1a90381a8f303b8f38ae889fa641df42f Mon Sep 17 00:00:00 2001
From: bp <bp@FreeBSD.org>
Date: Thu, 14 Oct 1999 09:35:37 +0000
Subject: Under some condition vnode can reference itself.

---
 sys/nwfs/nwfs.h       | 1 +
 sys/nwfs/nwfs_vnops.c | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'sys/nwfs')

diff --git a/sys/nwfs/nwfs.h b/sys/nwfs/nwfs.h
index 950d18a..51ae76b 100644
--- a/sys/nwfs/nwfs.h
+++ b/sys/nwfs/nwfs.h
@@ -35,6 +35,7 @@
 #ifndef _NWFS_H_
 #define _NWFS_H_
 
+#include <netncp/ncp.h>
 #include <nwfs/nwfs_mount.h>
 
 #define NR_OPEN 0
diff --git a/sys/nwfs/nwfs_vnops.c b/sys/nwfs/nwfs_vnops.c
index 61163b0..d084503 100644
--- a/sys/nwfs/nwfs_vnops.c
+++ b/sys/nwfs/nwfs_vnops.c
@@ -1043,8 +1043,11 @@ printf("dvp %d:%d:%d\n", (int)mp, (int)dvp->v_flag & VROOT, (int)flags & ISDOTDO
 		fap = &fattr;
 		notfound = ncp_lookup(dvp, cnp->cn_namelen, cnp->cn_nameptr,
 			fap, p, cnp->cn_cred);
-		fid.f_parent = dnp->n_fid.f_id;
 		fid.f_id = fap->dirEntNum;
+		if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
+			fid.f_parent = dnp->n_fid.f_parent;
+		} else
+			fid.f_parent = dnp->n_fid.f_id;
 		NCPVNDEBUG("call to ncp_lookup returned=%d\n",notfound);
 	}
 	if (notfound && notfound < 0x80 )
-- 
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