mlx4_core: fix mtt range deallocation
The mtt range was allocated in mtt units but deallocated in segments. Among the rest, this caused crash during hotplug removal Reported-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Marcel Apfelbaum <marcela@mellanox.co.il> Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Tested-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -239,8 +239,8 @@ void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order)
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first_seg = offset / (1 << log_mtts_per_seg);
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mlx4_buddy_free(&mr_table->mtt_buddy, first_seg, seg_order);
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mlx4_table_put_range(dev, &mr_table->mtt_table, first_seg,
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first_seg + (1 << seg_order) - 1);
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mlx4_table_put_range(dev, &mr_table->mtt_table, offset,
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offset + (1 << order) - 1);
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}
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static void mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order)
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