From 3005ad40b95168aad530f1179cff47411b3ea8da Mon Sep 17 00:00:00 2001 From: Yevgeny Petrilin Date: Tue, 24 Aug 2010 03:46:07 +0000 Subject: [PATCH] mlx4_en: Validate port up prior to transmitting We might try to use resources which were not activated. Signed-off-by: Yevgeny Petrilin Signed-off-by: David S. Miller --- drivers/net/mlx4/en_tx.c | 3 +++ 1 file changed, 3 insertions(+) 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; -- 2.39.5