From ac657d5884f31a16c900b2ad1098e01ec7fa4145 Mon Sep 17 00:00:00 2001 From: Mark Einon Date: Tue, 23 Aug 2011 23:40:40 +0100 Subject: [PATCH] staging: et131x: Update tx trans_start on device close to prevent tx_timeout Updating the tx trans_start before closing the device prevents a possible tx_timeout occuring during the closing process. Tested on an ET1310 device. Signed-off-by: Mark Einon Signed-off-by: Greg Kroah-Hartman --- drivers/staging/et131x/et131x_netdev.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/staging/et131x/et131x_netdev.c b/drivers/staging/et131x/et131x_netdev.c index 70a0da3fb52d..7555a241ed23 100644 --- a/drivers/staging/et131x/et131x_netdev.c +++ b/drivers/staging/et131x/et131x_netdev.c @@ -153,7 +153,7 @@ int et131x_open(struct net_device *netdev) result = request_irq(netdev->irq, et131x_isr, IRQF_SHARED, netdev->name, netdev); if (result) { - dev_err(&adapter->pdev->dev, "c ould not register IRQ %d\n", + dev_err(&adapter->pdev->dev, "could not register IRQ %d\n", netdev->irq); return result; } @@ -182,6 +182,9 @@ int et131x_close(struct net_device *netdev) { struct et131x_adapter *adapter = netdev_priv(netdev); + /* Save the timestamp for the TX watchdog, prevent a timeout */ + netdev->trans_start = jiffies; + /* First thing is to stop the queue */ netif_stop_queue(netdev); @@ -449,6 +452,10 @@ void et131x_tx_timeout(struct net_device *netdev) struct tcb *tcb; unsigned long flags; + /* If the device is closed, ignore the timeout */ + if (~(adapter->flags & fMP_ADAPTER_INTERRUPT_IN_USE)); + return; + /* Any nonrecoverable hardware error? * Checks adapter->flags for any failure in phy reading */ @@ -685,12 +692,12 @@ struct net_device *et131x_device_alloc(void) return NULL; } - /* Setup the function registration table (and other data) for a + /* + * Setup the function registration table (and other data) for a * net_device */ - netdev->watchdog_timeo = ET131X_TX_TIMEOUT; - netdev->netdev_ops = &et131x_netdev_ops; + netdev->netdev_ops = &et131x_netdev_ops; /* netdev->ethtool_ops = &et131x_ethtool_ops; */ -- 2.20.1