AcoSail/kernel_optimize_test
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mlx4: FIX error flow when initializing EQ table

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If mlx4_create_eq() would fail for one of EQ's assigned for
completion handling, the code would try to free the same EQ
we failed to create.
The crash was found by Christoph Lameter

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yevgeny Petrilin 2009-06-08 00:39:58 -07:00 committed by David S. Miller
parent 6f536f4039
commit a5b19b635c
1 changed files with 3 additions and 1 deletions
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4
drivers/net/mlx4/eq.c
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@ -623,8 +623,10 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
err = mlx4_create_eq(dev, dev->caps.num_cqs + MLX4_NUM_SPARE_EQE,
(dev->flags & MLX4_FLAG_MSI_X) ? i : 0,
&priv->eq_table.eq[i]);
if (err)
if (err) {
--i;
goto err_out_unmap;
}
}
err = mlx4_create_eq(dev, MLX4_NUM_ASYNC_EQE + MLX4_NUM_SPARE_EQE,