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authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2010-08-24 07:46:07 +0400
committerDavid S. Miller <davem@davemloft.net>2010-08-25 01:54:50 +0400
commit3005ad40b95168aad530f1179cff47411b3ea8da (patch)
tree15a41dd56931e778ff9e5e80c5736ecc0ec9ad29 /drivers/net/mlx4/en_tx.c
parente5cc44b2eb2b8192c9623eb877936063ba8556f3 (diff)
downloadlinux-3005ad40b95168aad530f1179cff47411b3ea8da.tar.xz
mlx4_en: Validate port up prior to transmitting
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>
Diffstat (limited to 'drivers/net/mlx4/en_tx.c')
-rw-r--r--drivers/net/mlx4/en_tx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 580968f304eb..3deabd1d0357 100644
--- 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;