NFSv4: Don't clear the machine cred when client establish returns EACCES

The expected behaviour is that the client will decide at mount time
whether or not to use a krb5i machine cred, or AUTH_NULL.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Bryan Schumaker <bjschuma@netapp.com>

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 209df69..c546009 100644 (file)
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -154,18 +154,6 @@ struct rpc_cred *nfs4_get_machine_cred_locked(struct nfs_client *clp)
        return cred;
 }
 
-static void nfs4_clear_machine_cred(struct nfs_client *clp)
-{
-       struct rpc_cred *cred;
-
-       spin_lock(&clp->cl_lock);
-       cred = clp->cl_machine_cred;
-       clp->cl_machine_cred = NULL;
-       spin_unlock(&clp->cl_lock);
-       if (cred != NULL)
-               put_rpccred(cred);
-}
-
 static struct rpc_cred *
 nfs4_get_renew_cred_server_locked(struct nfs_server *server)
 {
@@ -1768,10 +1756,6 @@ static int nfs4_handle_reclaim_lease_error(struct nfs_client *clp, int status)
                clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
                return -EPERM;
        case -EACCES:
-               if (clp->cl_machine_cred == NULL)
-                       return -EACCES;
-               /* Handle case where the user hasn't set up machine creds */
-               nfs4_clear_machine_cred(clp);
        case -NFS4ERR_DELAY:
        case -ETIMEDOUT:
        case -EAGAIN: