NFSv4: Ensure that referral mounts bind to a reserved port

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

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index ee13cb01b56e..648f593de0fe 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -2078,6 +2078,8 @@ static struct rpc_clnt *nfs4_create_client(struct nfs_server *server,
                                         __FUNCTION__, err);
                         goto out_fail;
                 }
+                /* Bind to a reserved port! */
+                xprt->resvport = 1;
                 clnt = rpc_create_client(xprt, server->hostname, &nfs_program,
                                 server->rpc_ops->version, flavor);
                 if (IS_ERR(clnt)) {