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Message-ID: <4F01BA2B.1060605@mellanox.co.il> Date: Mon, 2 Jan 2012 16:07:39 +0200 From: Yevgeny Petrilin <yevgenyp@...lanox.co.il> To: <davem@...emloft.net> CC: <netdev@...r.kernel.org>, <yevgenyp@...lanox.co.il>, <marcela@....mellanox.co.il> Subject: [PATCH net-next 1/2] mlx4_core: fix mtt range deallocation From: Marcel Apfelbaum <marcela@...lanox.co.il> 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@...nel.org> Signed-off-by: Marcel Apfelbaum <marcela@...lanox.co.il> Reviewed-by: Jack Morgenstein <jackm@....mellanox.co.il> --- drivers/net/ethernet/mellanox/mlx4/mr.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index f7243b2..01df556 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -239,8 +239,8 @@ void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order) first_seg = offset / (1 << log_mtts_per_seg); mlx4_buddy_free(&mr_table->mtt_buddy, first_seg, seg_order); - mlx4_table_put_range(dev, &mr_table->mtt_table, first_seg, - first_seg + (1 << seg_order) - 1); + mlx4_table_put_range(dev, &mr_table->mtt_table, offset, + offset + (1 << order) - 1); } static void mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order) -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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