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qlcnic: fail when try to setup unsupported features

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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stanislaw Gruszka 2010-06-27 23:31:34 +00:00 committed by David S. Miller
parent ef2519b1dd
commit deaec0f65b
1 changed files with 10 additions and 3 deletions
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13
drivers/net/qlcnic/qlcnic_ethtool.c
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@ -983,12 +983,19 @@ static int qlcnic_set_flags(struct net_device *netdev, u32 data)
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int hw_lro;
if (data & ~ETH_FLAG_LRO)
return -EOPNOTSUPP;
if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO))
return -EINVAL;
ethtool_op_set_flags(netdev, data);
hw_lro = (data & ETH_FLAG_LRO) ? QLCNIC_LRO_ENABLED : 0;
if (data & ETH_FLAG_LRO) {
hw_lro = QLCNIC_LRO_ENABLED;
netdev->features |= NETIF_F_LRO;
} else {
hw_lro = 0;
netdev->features &= ~NETIF_F_LRO;
}
if (qlcnic_config_hw_lro(adapter, hw_lro))
return -EIO;