diff options
Diffstat (limited to 'net/core/netpoll.c')
| -rw-r--r-- | net/core/netpoll.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 8a271285f2f..a01abdd2d3e 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -242,22 +242,28 @@ static void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb) /* don't get messages out of order, and no recursion */ if (skb_queue_len(&npinfo->txq) == 0 && - npinfo->poll_owner != smp_processor_id() && - netif_tx_trylock(dev)) { - /* try until next clock tick */ - for (tries = jiffies_to_usecs(1)/USEC_PER_POLL; tries > 0; --tries) { - if (!netif_queue_stopped(dev)) - status = dev->hard_start_xmit(skb, dev); + npinfo->poll_owner != smp_processor_id()) { + unsigned long flags; - if (status == NETDEV_TX_OK) - break; + local_irq_save(flags); + if (netif_tx_trylock(dev)) { + /* try until next clock tick */ + for (tries = jiffies_to_usecs(1)/USEC_PER_POLL; + tries > 0; --tries) { + if (!netif_queue_stopped(dev)) + status = dev->hard_start_xmit(skb, dev); - /* tickle device maybe there is some cleanup */ - netpoll_poll(np); + if (status == NETDEV_TX_OK) + break; - udelay(USEC_PER_POLL); + /* tickle device maybe there is some cleanup */ + netpoll_poll(np); + + udelay(USEC_PER_POLL); + } + netif_tx_unlock(dev); } - netif_tx_unlock(dev); + local_irq_restore(flags); } if (status != NETDEV_TX_OK) { |