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    Subject[PATCH 4.4 31/56] IB/mlx4: Fix ib device initialization error flow
    Date
    4.4-stable review patch.  If anyone has any objections, please let me know.

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

    From: Jack Morgenstein <jackm@dev.mellanox.co.il>

    commit 99e68909d5aba1861897fe7afc3306c3c81b6de0 upstream.

    In mlx4_ib_add, procedure mlx4_ib_alloc_eqs is called to allocate EQs.

    However, in the mlx4_ib_add error flow, procedure mlx4_ib_free_eqs is not
    called to free the allocated EQs.

    Fixes: e605b743f33d ("IB/mlx4: Increase the number of vectors (EQs) available for ULPs")
    Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
    Signed-off-by: Leon Romanovsky <leon@kernel.org>
    Signed-off-by: Doug Ledford <dledford@redhat.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/infiniband/hw/mlx4/main.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/drivers/infiniband/hw/mlx4/main.c
    +++ b/drivers/infiniband/hw/mlx4/main.c
    @@ -2491,6 +2491,7 @@ err_counter:
    mlx4_ib_delete_counters_table(ibdev, &ibdev->counters_table[i]);

    err_map:
    + mlx4_ib_free_eqs(dev, ibdev);
    iounmap(ibdev->uar_map);

    err_uar:

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