1 files changed, 4 insertions, 10 deletions

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 88d54d3efcef..73d43c53015a 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -36,6 +36,7 @@
 #include <linux/netdevice.h>
 #include <linux/tcp.h>
 #include <linux/ipv6.h>
+#include <linux/slab.h>
 #include <net/checksum.h>
 #include <net/ip6_checksum.h>
 #include <linux/mii.h>
@@ -660,6 +661,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
                                 i = 0;
                 }
 
+                if (i == tx_ring->next_to_use)
+                        break;
                 eop = tx_ring->buffer_info[i].next_to_watch;
                 eop_desc = E1000_TX_DESC(*tx_ring, eop);
         }
@@ -2289,8 +2292,6 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
         ew32(TCTL, tctl);
 
         e1000e_config_collision_dist(hw);
-
-        adapter->tx_queue_len = adapter->netdev->tx_queue_len;
 }
 
 /**
@@ -2877,7 +2878,6 @@ void e1000e_down(struct e1000_adapter *adapter)
         del_timer_sync(&adapter->watchdog_timer);
         del_timer_sync(&adapter->phy_info_timer);
 
-        netdev->tx_queue_len = adapter->tx_queue_len;
         netif_carrier_off(netdev);
         adapter->link_speed = 0;
         adapter->link_duplex = 0;
@@ -3588,21 +3588,15 @@ static void e1000_watchdog_task(struct work_struct *work)
                                                "link gets many collisions.\n");
                         }
 
-                        /*
-                         * tweak tx_queue_len according to speed/duplex
-                         * and adjust the timeout factor
-                         */
-                        netdev->tx_queue_len = adapter->tx_queue_len;
+                        /* adjust timeout factor according to speed/duplex */
                         adapter->tx_timeout_factor = 1;
                         switch (adapter->link_speed) {
                         case SPEED_10:
                                 txb2b = 0;
-                                netdev->tx_queue_len = 10;
                                 adapter->tx_timeout_factor = 16;
                                 break;
                         case SPEED_100:
                                 txb2b = 0;
-                                netdev->tx_queue_len = 100;
                                 adapter->tx_timeout_factor = 10;
                                 break;
                         }