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    Subject[PATCH 4.14 070/157] RDMA/mlx4: Discard unknown SQP work requests
    Date
    4.14-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Leon Romanovsky <leonro@mellanox.com>

    commit 6b1ca7ece15e94251d1d0d919f813943e4a58059 upstream.

    There is no need to crash the machine if unknown work request was
    received in SQP MAD.

    Cc: <stable@vger.kernel.org> # 3.6
    Fixes: 37bfc7c1e83f ("IB/mlx4: SR-IOV multiplex and demultiplex MADs")
    Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
    Signed-off-by: Doug Ledford <dledford@redhat.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/infiniband/hw/mlx4/mad.c | 1 -
    1 file changed, 1 deletion(-)

    --- a/drivers/infiniband/hw/mlx4/mad.c
    +++ b/drivers/infiniband/hw/mlx4/mad.c
    @@ -1934,7 +1934,6 @@ static void mlx4_ib_sqp_comp_worker(stru
    "buf:%lld\n", wc.wr_id);
    break;
    default:
    - BUG_ON(1);
    break;
    }
    } else {

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