From: Ben Hutchings Date: Wed, 4 Mar 2009 09:52:37 +0000 (+0000) Subject: sfc: Reject packets from the kernel TX queue during a loopback self-test X-Git-Tag: firefly_0821_release~15237^2~367 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a7ef59332b33cb1924ea76cce2aa620a32bb0d7a;p=firefly-linux-kernel-4.4.55.git sfc: Reject packets from the kernel TX queue during a loopback self-test Signed-off-by: Ben Hutchings Signed-off-by: David S. Miller --- 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