IB/mlx4: Fix WQE LSO segment calculation

[pandora-kernel.git] / drivers / infiniband / hw / mlx4 / qp.c

diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index a16f0c8..2ed14a7 100644 (file)
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1670,8 +1670,7 @@ static int build_lso_seg(struct mlx4_wqe_lso_seg *wqe, struct ib_send_wr *wr,
 
        memcpy(wqe->header, wr->wr.ud.header, wr->wr.ud.hlen);
 
-       *lso_hdr_sz  = cpu_to_be32((wr->wr.ud.mss - wr->wr.ud.hlen) << 16 |
-                                  wr->wr.ud.hlen);
+       *lso_hdr_sz  = cpu_to_be32(wr->wr.ud.mss << 16 | wr->wr.ud.hlen);
        *lso_seg_len = halign;
        return 0;
 }