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mlx4_en: Validate port up prior to transmitting

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We might try to use resources which were not activated.

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 2010-08-24 03:46:07 +00:00 committed by David S. Miller
parent e5cc44b2eb
commit 3005ad40b9
1 changed files with 3 additions and 0 deletions
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3
drivers/net/mlx4/en_tx.c
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@ -612,6 +612,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
int lso_header_size;
void *fragptr;
if (!priv->port_up)
goto tx_drop;
real_size = get_real_size(skb, dev, &lso_header_size);
if (unlikely(!real_size))
goto tx_drop;