Fix a referral error Oops

Fix an oops when the referral server is not responding.
Check the error return from nfs4_set_client() in nfs4_create_referral_server.

Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index a4aa47913a5c..110f80e7bd4c 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1059,6 +1059,8 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data,
                         parent_server->client->cl_xprt->prot,
                         parent_client->retrans_timeo,
                         parent_client->retrans_count);
+        if (error < 0)
+                goto error;
 
         /* Initialise the client representation from the parent server */
         nfs_server_copy_userdata(server, parent_server);