nfsd: pass net to nfsd_svc()

commit d41a9417cd89a69f58a26935034b4264a2d882d6 upstream.

Precursor patch. Hard-coded "init_net" will be replaced by proper one in
future.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
[wengmeiling: backport to 3.4:
 - adjust context
 - one more parameter(int port) for nfsd_svc()]
Signed-off-by: Weng Meiling <wengmeiling.weng@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index e18f0a5..9463bc0 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -389,6 +389,8 @@
 {
 	char *mesg = buf;
 	int rv;
+	struct net *net = &init_net;
+
 	if (size > 0) {
 		int newthreads;
 		rv = get_int(&mesg, &newthreads);
@@ -396,7 +398,7 @@
 			return rv;
 		if (newthreads < 0)
 			return -EINVAL;
-		rv = nfsd_svc(NFS_PORT, newthreads);
+		rv = nfsd_svc(NFS_PORT, newthreads, net);
 		if (rv < 0)
 			return rv;
 	} else