[NET]: Do not check netif_running() and carrier state in ->poll()

Drivers do this to try to break out of the ->poll()'ing loop
when the device is being brought administratively down.

Now that we have a napi_disable() "pending" state we are going
to solve that problem generically.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 4f37506ad374..9de71443ef89 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3924,10 +3924,6 @@ e1000_clean(struct napi_struct *napi, int budget)
         /* Must NOT use netdev_priv macro here. */
         adapter = poll_dev->priv;
 
-        /* Keep link state information with original netdev */
-        if (!netif_carrier_ok(poll_dev))
-                goto quit_polling;
-
         /* e1000_clean is called per-cpu.  This lock protects
          * tx_ring[0] from being cleaned by multiple cpus
          * simultaneously.  A failure obtaining the lock means
@@ -3942,9 +3938,7 @@ e1000_clean(struct napi_struct *napi, int budget)
                           &work_done, budget);
 
         /* If no Tx and not enough Rx work done, exit the polling mode */
-        if ((!tx_cleaned && (work_done == 0)) ||
-           !netif_running(poll_dev)) {
-quit_polling:
+        if ((!tx_cleaned && (work_done == 0))) {
                 if (likely(adapter->itr_setting & 3))
                         e1000_set_itr(adapter);
                 netif_rx_complete(poll_dev, napi);