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netxen: Fix bug in Tx completion path. 

o Driver is not updating sw_consumer while processing Tx completion
  when interface is going down. Due to this interface down path gets
  stuck forever waiting for NAPI to complete.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Manish Chopra 2014-09-30 03:56:36 -04:00 committed by David S. Miller
parent 0d36882013
commit 9295f940fb
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
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@ -1794,9 +1794,9 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter)
break;
}
if (count && netif_running(netdev)) {
tx_ring->sw_consumer = sw_consumer;
tx_ring->sw_consumer = sw_consumer;
if (count && netif_running(netdev)) {
smp_mb();
if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev))