[PATCH 07/14] mlx4_en: Validate port up prior to transmitting
From: Yevgeny Petrilin <hidden>
Date: 2010-08-24 13:46:13
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
We might try to use resources which were not activated. Signed-off-by: Yevgeny Petrilin <redacted> --- drivers/net/mlx4/en_tx.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 580968f..3deabd1 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;
--
1.6.1.3