From 9348f5e7a606b1452a96fea89667e84d26ef2ef8 Mon Sep 17 00:00:00 2001
From: Matthew Dillon <dillon@FreeBSD.org>
Date: Mon, 14 Jan 2002 19:14:08 +0000
Subject: [PATCH] The vnode was not being vput()'d in the EEXIST mknod case on
 the nfs server side.  This can lead to a system deadlock.

Reviewed by:    iedowse
Tested by:      Alexey G Misurenko <mag@caravan.ru>, iedowse
Bug found with help by: Alexey G Misurenko <mag@caravan.ru>
MFC at:         earliest convenience
---
 sys/nfsserver/nfs_serv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/nfsserver/nfs_serv.c b/sys/nfsserver/nfs_serv.c
index 0db5c9dd5f6..b9d54af3bcf 100644
--- a/sys/nfsserver/nfs_serv.c
+++ b/sys/nfsserver/nfs_serv.c
@@ -2000,6 +2000,8 @@ out:
 		error = VFS_VPTOFH(vp, &fhp->fh_fid);
 		if (!error)
 			error = VOP_GETATTR(vp, vap, cred, td);
+	}
+	if (vp) {
 		vput(vp);
 		vp = NULL;
 		nd.ni_vp = NULL;