RDMA/nes: Fix fast memory registration length

Zero high order word of fast memory registration (FMR) length field.
FMR length field is 32 bits, so high word should always be zero.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Donald Wood <Donald.E.Wood@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 5095bc4..ba2eb00 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -3427,6 +3427,8 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
                        set_wqe_32bit_value(wqe->wqe_words,
                                            NES_IWARP_SQ_FMR_WQE_LENGTH_LOW_IDX,
                                            ib_wr->wr.fast_reg.length);
+                       set_wqe_32bit_value(wqe->wqe_words,
+                                           NES_IWARP_SQ_FMR_WQE_LENGTH_HIGH_IDX, 0);
                        set_wqe_32bit_value(wqe->wqe_words,
                                            NES_IWARP_SQ_FMR_WQE_MR_STAG_IDX,
                                            ib_wr->wr.fast_reg.rkey);