From c140aa91357c415c91269884518fa1d6fdebc20d Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Sun, 9 Aug 2009 15:06:19 -0400
Subject: [PATCH] NFSv4: Clean up the nfs.callback_tcpport option

Tighten up the validity checking in param_set_port: check for NULL pointers.
Ensure that the option shows up on 'modinfo' output.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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