diff options
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
-rw-r--r-- | drivers/net/e1000e/netdev.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 4fd2e23720b6..4a6fc7453776 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c | |||
@@ -1384,30 +1384,24 @@ static int e1000_clean(struct napi_struct *napi, int budget) | |||
1384 | { | 1384 | { |
1385 | struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi); | 1385 | struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi); |
1386 | struct net_device *poll_dev = adapter->netdev; | 1386 | struct net_device *poll_dev = adapter->netdev; |
1387 | int tx_cleaned = 0, work_done = 0; | 1387 | int work_done = 0; |
1388 | 1388 | ||
1389 | /* Must NOT use netdev_priv macro here. */ | 1389 | /* Must NOT use netdev_priv macro here. */ |
1390 | adapter = poll_dev->priv; | 1390 | adapter = poll_dev->priv; |
1391 | 1391 | ||
1392 | /* Keep link state information with original netdev */ | ||
1393 | if (!netif_carrier_ok(poll_dev)) | ||
1394 | goto quit_polling; | ||
1395 | |||
1396 | /* e1000_clean is called per-cpu. This lock protects | 1392 | /* e1000_clean is called per-cpu. This lock protects |
1397 | * tx_ring from being cleaned by multiple cpus | 1393 | * tx_ring from being cleaned by multiple cpus |
1398 | * simultaneously. A failure obtaining the lock means | 1394 | * simultaneously. A failure obtaining the lock means |
1399 | * tx_ring is currently being cleaned anyway. */ | 1395 | * tx_ring is currently being cleaned anyway. */ |
1400 | if (spin_trylock(&adapter->tx_queue_lock)) { | 1396 | if (spin_trylock(&adapter->tx_queue_lock)) { |
1401 | tx_cleaned = e1000_clean_tx_irq(adapter); | 1397 | e1000_clean_tx_irq(adapter); |
1402 | spin_unlock(&adapter->tx_queue_lock); | 1398 | spin_unlock(&adapter->tx_queue_lock); |
1403 | } | 1399 | } |
1404 | 1400 | ||
1405 | adapter->clean_rx(adapter, &work_done, budget); | 1401 | adapter->clean_rx(adapter, &work_done, budget); |
1406 | 1402 | ||
1407 | /* If no Tx and not enough Rx work done, exit the polling mode */ | 1403 | /* If budget not fully consumed, exit the polling mode */ |
1408 | if ((!tx_cleaned && (work_done < budget)) || | 1404 | if (work_done < budget) { |
1409 | !netif_running(poll_dev)) { | ||
1410 | quit_polling: | ||
1411 | if (adapter->itr_setting & 3) | 1405 | if (adapter->itr_setting & 3) |
1412 | e1000_set_itr(adapter); | 1406 | e1000_set_itr(adapter); |
1413 | netif_rx_complete(poll_dev, napi); | 1407 | netif_rx_complete(poll_dev, napi); |