NFS: Return an error when starting the idmapping pipe

Return an error when starting the idmapping pipe so that we can detect it
failing.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ab4c78ee840c..3ee85c4e65d8 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1136,7 +1136,8 @@ static struct rpc_clnt *nfs4_create_client(struct nfs_server *server,
                 clnt->cl_softrtry = 1;
                 clp->cl_rpcclient = clnt;
                 memcpy(clp->cl_ipaddr, server->ip_addr, sizeof(clp->cl_ipaddr));
-                nfs_idmap_new(clp);
+                if (nfs_idmap_new(clp) < 0)
+                        goto out_fail;
         }
         list_add_tail(&server->nfs4_siblings, &clp->cl_superblocks);
         clnt = rpc_clone_client(clp->cl_rpcclient);