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net/mlx4: Use single completion vector after NOP failure 

Fix a crash at the error flow of NOP command which caused the driver to try and use
a completion vector which wasn't allocated.

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 2012-06-25 00:24:12 +00:00 committed by David S. Miller
parent 5c8e904666
commit 9858d2d1ac
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/mellanox/mlx4/main.c
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@ -1975,6 +1975,8 @@ slave_start:
if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) && if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) &&
!mlx4_is_mfunc(dev)) { !mlx4_is_mfunc(dev)) {
dev->flags &= ~MLX4_FLAG_MSI_X; dev->flags &= ~MLX4_FLAG_MSI_X;
dev->caps.num_comp_vectors = 1;
dev->caps.comp_pool = 0;
pci_disable_msix(pdev); pci_disable_msix(pdev);
err = mlx4_setup_hca(dev); err = mlx4_setup_hca(dev);
} }