nfsd41: use SEQ4_STATUS_BACKCHANNEL_FAULT when cb_sequence is invalid

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index e8c2a3ec0e60..b51ad43b7ea1 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1945,8 +1945,14 @@ out:
 
                 nfsd4_get_session(cstate->session);
                 atomic_inc(&clp->cl_refcount);
-                if (clp->cl_cb_state == NFSD4_CB_DOWN)
+                switch (clp->cl_cb_state) {
+                case NFSD4_CB_DOWN:
                         seq->status_flags |= SEQ4_STATUS_CB_PATH_DOWN;
+                        break;
+                case NFSD4_CB_FAULT:
+                        seq->status_flags |= SEQ4_STATUS_BACKCHANNEL_FAULT;
+                        break;
+                }
         }
         kfree(conn);
         spin_unlock(&client_lock);