ipw2x00: simplify scan_event handling
* Drop unnesssary delayd_work_pending() tests.
* Unify scan_event_{now|later} by using mod_delayed_work() w/ 0 delay
for scan_event_now.
* Make ipw2200 scan_event handling match ipw2100 - use
mod_delayed_work() w/ 0 delay for immediate scanning.
Only compile tested.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Cc: linux-wireless@vger.kernel.org
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 844f201..2c2d6db 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -4480,18 +4480,11 @@
{
/* Only userspace-requested scan completion events go out immediately */
if (!priv->user_requested_scan) {
- if (!delayed_work_pending(&priv->scan_event))
- schedule_delayed_work(&priv->scan_event,
- round_jiffies_relative(msecs_to_jiffies(4000)));
+ schedule_delayed_work(&priv->scan_event,
+ round_jiffies_relative(msecs_to_jiffies(4000)));
} else {
- union iwreq_data wrqu;
-
priv->user_requested_scan = 0;
- cancel_delayed_work(&priv->scan_event);
-
- wrqu.data.length = 0;
- wrqu.data.flags = 0;
- wireless_send_event(priv->net_dev, SIOCGIWSCAN, &wrqu, NULL);
+ mod_delayed_work(system_wq, &priv->scan_event, 0);
}
}