From: Ben Hutchings <bhutchings@solarflare.com>
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-Url: https://git.stricted.de/?a=commitdiff_plain;h=a7ef59332b33cb1924ea76cce2aa620a32bb0d7a;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

sfc: Reject packets from the kernel TX queue during a loopback self-test

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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