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Subject[PATCH 1/4] atl1: fix transmit timeout bug
Date
See http://marc.info/?l=linux-netdev&m=121931988219314&w=2

Stop the queue and turn off carrier to prevent transmit timeouts
when the cable is unplugged/replugged.

Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
---
drivers/net/atlx/atl1.c | 4 +++-
drivers/net/atlx/atlx.c | 1 -
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index e23ce77..e00a986 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -2642,6 +2642,7 @@ static void atl1_down(struct atl1_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;

+ netif_stop_queue(netdev);
del_timer_sync(&adapter->watchdog_timer);
del_timer_sync(&adapter->phy_config_timer);
adapter->phy_timer_pending = false;
@@ -2655,7 +2656,6 @@ static void atl1_down(struct atl1_adapter *adapter)
adapter->link_speed = SPEED_0;
adapter->link_duplex = -1;
netif_carrier_off(netdev);
- netif_stop_queue(netdev);

atl1_clean_tx_ring(adapter);
atl1_clean_rx_ring(adapter);
@@ -2724,6 +2724,8 @@ static int atl1_open(struct net_device *netdev)
struct atl1_adapter *adapter = netdev_priv(netdev);
int err;

+ netif_carrier_off(netdev);
+
/* allocate transmit descriptors */
err = atl1_setup_ring_resources(adapter);
if (err)
diff --git a/drivers/net/atlx/atlx.c b/drivers/net/atlx/atlx.c
index b3e7fcf..3cc9d10 100644
--- a/drivers/net/atlx/atlx.c
+++ b/drivers/net/atlx/atlx.c
@@ -105,7 +105,6 @@ static void atlx_check_for_link(struct atlx_adapter *adapter)
netdev->name);
adapter->link_speed = SPEED_0;
netif_carrier_off(netdev);
- netif_stop_queue(netdev);
}
}
schedule_work(&adapter->link_chg_task);
--
1.5.5.1


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