From a7ef59332b33cb1924ea76cce2aa620a32bb0d7a Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Wed, 4 Mar 2009 09:52:37 +0000 Subject: [PATCH] sfc: Reject packets from the kernel TX queue during a loopback self-test Signed-off-by: Ben Hutchings Signed-off-by: David S. Miller --- drivers/net/sfc/tx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c index da3e9ff339f5..9f97e44840b6 100644 --- a/drivers/net/sfc/tx.c +++ b/drivers/net/sfc/tx.c @@ -376,6 +376,9 @@ int efx_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev) struct efx_nic *efx = netdev_priv(net_dev); struct efx_tx_queue *tx_queue; + if (unlikely(efx->port_inhibited)) + return NETDEV_TX_BUSY; + if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) tx_queue = &efx->tx_queue[EFX_TX_QUEUE_OFFLOAD_CSUM]; else -- GitLab