1 files changed, 2 insertions, 6 deletions

diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index c92a75e066a6..f953ef6b2f2e 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -454,11 +454,8 @@ static bool referring_call_exists(struct nfs_client *clp,
                                 ((u32 *)&rclist->rcl_sessionid.data)[3],
                                 ref->rc_sequenceid, ref->rc_slotid);
 
-                        spin_lock(&tbl->slot_tbl_lock);
-                        status = (test_bit(ref->rc_slotid, tbl->used_slots) &&
-                                  tbl->slots[ref->rc_slotid].seq_nr ==
-                                        ref->rc_sequenceid);
-                        spin_unlock(&tbl->slot_tbl_lock);
+                        status = nfs4_slot_wait_on_seqid(tbl, ref->rc_slotid,
+                                        ref->rc_sequenceid, HZ >> 1) < 0;
                         if (status)
                                 goto out;
                 }
@@ -487,7 +484,6 @@ __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
                 goto out;
 
         tbl = &clp->cl_session->bc_slot_table;
-        slot = tbl->slots + args->csa_slotid;
 
         /* Set up res before grabbing the spinlock */
         memcpy(&res->csr_sessionid, &args->csa_sessionid,