1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c
index 6c7fe78cca64..b9c8b6346c1b 100644
--- a/drivers/infiniband/hw/qib/qib_uc.c
+++ b/drivers/infiniband/hw/qib/qib_uc.c
@@ -272,9 +272,6 @@ void qib_uc_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
         opcode >>= 24;
         memset(&wc, 0, sizeof wc);
 
-        /* Prevent simultaneous processing after APM on different CPUs */
-        spin_lock(&qp->r_lock);
-
         /* Compare the PSN verses the expected PSN. */
         if (unlikely(qib_cmp24(psn, qp->r_psn) != 0)) {
                 /*
@@ -534,7 +531,6 @@ rdma_last:
         }
         qp->r_psn++;
         qp->r_state = opcode;
-        spin_unlock(&qp->r_lock);
         return;
 
 rewind:
@@ -542,12 +538,10 @@ rewind:
         qp->r_sge.num_sge = 0;
 drop:
         ibp->n_pkt_drops++;
-        spin_unlock(&qp->r_lock);
         return;
 
 op_err:
         qib_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
-        spin_unlock(&qp->r_lock);
         return;
 
 sunlock: