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mac80211: advance the state machine immediately if no delay is needed 

Instead of queueing the scan work again without delay just process the
next state immediately.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa 2009-07-23 12:13:48 +02:00 committed by John W. Linville
parent 7d3be3cc48
commit f502d09b75
1 changed files with 15 additions and 9 deletions
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24
net/mac80211/scan.c
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@ -587,15 +587,21 @@ void ieee80211_scan_work(struct work_struct *work)
return;
}
switch (local->scan_state) {
case SCAN_SET_CHANNEL:
if (ieee80211_scan_state_set_channel(local, &next_delay))
return;
break;
case SCAN_SEND_PROBE:
ieee80211_scan_state_send_probe(local, &next_delay);
break;
}
/*
* as long as no delay is required advance immediately
* without scheduling a new work
*/
do {
switch (local->scan_state) {
case SCAN_SET_CHANNEL:
if (ieee80211_scan_state_set_channel(local, &next_delay))
return;
break;
case SCAN_SEND_PROBE:
ieee80211_scan_state_send_probe(local, &next_delay);
break;
}
} while (next_delay == 0);
queue_delayed_work(local->hw.workqueue, &local->scan_work,
next_delay);