SUNRPC: new svc_bind() routine introduced

upstream commit 9793f7c88937e7ac07305ab1af1a519225836823.

This new routine is responsible for service registration in a specified
network context.

The idea is to separate service creation from per-net operations.

Note also: since registering service with svc_bind() can fail, the
service will be destroyed and during destruction it will try to
unregister itself from rpcbind. In this case unregistration has to be
skipped.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 1ead075..b7e92ed 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -324,6 +324,12 @@
 		goto out;
 	}
 
+	error = svc_bind(serv, net);
+	if (error < 0) {
+		printk(KERN_WARNING "lockd_up: bind service failed\n");
+		goto destroy_and_out;
+	}
+
 	error = make_socks(serv, net);
 	if (error < 0)
 		goto destroy_and_out;