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[3.4,1/9] nfsd: use "init_net" for portmapper

Message ID 1386136415-30976-2-git-send-email-wengmeiling.weng@huawei.com (mailing list archive)
State New, archived
Headers show

Commit Message

Weng Meiling Dec. 4, 2013, 5:53 a.m. UTC 
From: Stanislav Kinsbursky <skinsbursky@parallels.com>

commit f7fb86c6e639360ad9c253cec534819ef928a674 upstream.

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@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Weng Meiling <wengmeiling.weng@huawei.com>
---
 fs/nfsd/nfssvc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 53459b0..25d839e 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>
@@ -330,7 +329,7 @@  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) {