linux-kernel - [PATCH 1/7] nfsd: use "init

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Message-ID: <20121210091904.8855.89077.stgit@localhost.localdomain>
Date:	Mon, 10 Dec 2012 12:19:04 +0300
From:	Stanislav Kinsbursky <skinsbursky@...allels.com>
To:	bfields@...ldses.org
Cc:	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	devel@...nvz.org
Subject: [PATCH 1/7] nfsd: use "init_net" for portmapper

There could be a situation, when NFSd was started in one network namespace, but
stopped in another one.
This will trigger kernel panic, because RPCBIND client is stored on per-net
NFSd data, and will be NULL on NFSd shutdown.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@...allels.com>
---
 fs/nfsd/nfssvc.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index b34a67d..9beace6 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -11,7 +11,6 @@
 #include <linux/module.h>
 #include <linux/fs_struct.h>
 #include <linux/swap.h>
-#include <linux/nsproxy.h>
 
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/svcsock.h>
@@ -341,7 +340,7 @@ static int nfsd_get_default_max_blksize(void)
 int nfsd_create_serv(void)
 {
 	int error;
-	struct net *net = current->nsproxy->net_ns;
+	struct net *net = &init_net;
 
 	WARN_ON(!mutex_is_locked(&nfsd_mutex));
 	if (nfsd_serv) {

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