When a scan watchdog is fired, try to send abort scan command first before restarting the adapter. This avoids reconnection for some users when scan hang is detected. This fixed bug https://bugzilla.kernel.org/show_bug.cgi?id=15419 Reported-and-tested-by: Maurizio Avogadro <mavoga@xxxxxxxxx> Signed-off-by: Zhu Yi <yi.zhu@xxxxxxxxx> --- drivers/net/wireless/ipw2x00/ipw2200.c | 13 +++++++++++-- 1 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index cb3ba13..ce1d062 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -2348,16 +2348,25 @@ static void ipw_bg_adapter_restart(struct work_struct *work) mutex_unlock(&priv->mutex); } -#define IPW_SCAN_CHECK_WATCHDOG (5 * HZ) +static void ipw_abort_scan(struct ipw_priv *priv); + +#define IPW_SCAN_CHECK_WATCHDOG (5 * HZ) static void ipw_scan_check(void *data) { struct ipw_priv *priv = data; - if (priv->status & (STATUS_SCANNING | STATUS_SCAN_ABORTING)) { + + if (priv->status & STATUS_SCAN_ABORTING) { IPW_DEBUG_SCAN("Scan completion watchdog resetting " "adapter after (%dms).\n", jiffies_to_msecs(IPW_SCAN_CHECK_WATCHDOG)); queue_work(priv->workqueue, &priv->adapter_restart); + } else if (priv->status & STATUS_SCANNING) { + IPW_DEBUG_SCAN("Scan completion watchdog aborting scan " + "after (%dms).\n", + jiffies_to_msecs(IPW_SCAN_CHECK_WATCHDOG)); + ipw_abort_scan(priv); + queue_delayed_work(priv->workqueue, &priv->scan_check, HZ); } } -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
