diff options
Diffstat (limited to 'drivers/net/ethernet/neterion/s2io.c')
| -rw-r--r-- | drivers/net/ethernet/neterion/s2io.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index 809d92c..51b0094 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -4089,7 +4089,12 @@ static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev) [skb->priority & (MAX_TX_FIFOS - 1)]; fifo = &mac_control->fifos[queue]; - spin_lock_irqsave(&fifo->tx_lock, flags); + if (do_spin_lock) + spin_lock_irqsave(&fifo->tx_lock, flags); + else { + if (unlikely(!spin_trylock_irqsave(&fifo->tx_lock, flags))) + return NETDEV_TX_LOCKED; + } if (sp->config.multiq) { if (__netif_subqueue_stopped(dev, fifo->fifo_no)) { |