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mlx4_en: Validate port up prior to transmitting
author
Yevgeny Petrilin
<yevgenyp@mellanox.co.il>
Tue, 24 Aug 2010 03:46:07 +0000
(
03:46
+0000)
committer
David S. Miller
<davem@davemloft.net>
Tue, 24 Aug 2010 21:54:50 +0000
(14:54 -0700)
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>
drivers/net/mlx4/en_tx.c
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diff --git
a/drivers/net/mlx4/en_tx.c
b/drivers/net/mlx4/en_tx.c
index
580968f
..
3deabd1
100644
(file)
--- a/
drivers/net/mlx4/en_tx.c
+++ b/
drivers/net/mlx4/en_tx.c
@@
-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;