diff options
| author | Zhu Yi <yi.zhu@intel.com> | 2010-03-30 09:36:16 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-03-31 14:46:40 -0400 |
| commit | e65054b64ff6b89380a7f546c9eebf862e679646 (patch) | |
| tree | 9fa1800b9a2bc589b560f081979d599b52b08eac /drivers/net/wireless/ipw2x00/ipw2200.c | |
| parent | 9f01a84e81d10e38daa504348217895fe414a24b (diff) | |
ipw2200: restart adapter only when abort_scan doesn't work
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-by: Maurizio Avogadro <mavoga@gmail.com>
Tested-by: Maurizio Avogadro <mavoga@gmail.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ipw2x00/ipw2200.c')
| -rw-r--r-- | 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 fcdbe8b00551..7fa2a3e6ebb0 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); } } |