qlge: bugfix: Fix fatal error recovery hang.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 27c5e4de78e..69f7d057dd2 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -1511,6 +1511,11 @@ void ql_queue_asic_error(struct ql_adapter *qdev)
         netif_stop_queue(qdev->ndev);
         netif_carrier_off(qdev->ndev);
         ql_disable_interrupts(qdev);
+        /* Clear adapter up bit to signal the recovery
+         * process that it shouldn't kill the reset worker
+         * thread
+         */
+        clear_bit(QL_ADAPTER_UP, &qdev->flags);
         queue_delayed_work(qdev->workqueue, &qdev->asic_reset_work, 0);
 }
 
@@ -3100,7 +3105,11 @@ static int ql_adapter_down(struct ql_adapter *qdev)
         netif_stop_queue(ndev);
         netif_carrier_off(ndev);
 
-        cancel_delayed_work_sync(&qdev->asic_reset_work);
+        /* Don't kill the reset worker thread if we
+         * are in the process of recovery.
+         */
+        if (test_bit(QL_ADAPTER_UP, &qdev->flags))
+                cancel_delayed_work_sync(&qdev->asic_reset_work);
         cancel_delayed_work_sync(&qdev->mpi_reset_work);
         cancel_delayed_work_sync(&qdev->mpi_work);
 
@@ -3501,7 +3510,7 @@ static int qlge_set_mac_address(struct net_device *ndev, void *p)
 static void qlge_tx_timeout(struct net_device *ndev)
 {
         struct ql_adapter *qdev = (struct ql_adapter *)netdev_priv(ndev);
-        queue_delayed_work(qdev->workqueue, &qdev->asic_reset_work, 0);
+        ql_queue_asic_error(qdev);
 }
 
 static void ql_asic_reset_work(struct work_struct *work)