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net/mlx4_core: Fail device init if num_vfs is negative

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Should not allow negative num_vfs

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.com>
Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jack Morgenstein 2013-06-25 12:09:38 +03:00 • committed by David S. Miller
parent 674925edb4
commit 30e514a717
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/mellanox/mlx4/main.c
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@ -2077,6 +2077,11 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data)
num_vfs, MLX4_MAX_NUM_VF); num_vfs, MLX4_MAX_NUM_VF);
return -EINVAL; return -EINVAL;
} }
if (num_vfs < 0) {
pr_err("num_vfs module parameter cannot be negative\n");
return -EINVAL;
}
/* /*
* Check for BARs. * Check for BARs.
*/ */