diff options
| author | Jouni Malinen <jouni.malinen@atheros.com> | 2009-08-25 18:44:28 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-08-28 22:40:46 +0400 |
| commit | 5bf6fcc2bbfb90d997f88c969f1ceee35d064a24 (patch) | |
| tree | d73447bb71015d4b82a2a6b9073bef2c09503488 | |
| parent | 15db0b7fd872b0312033666d3a82e1214a227ec0 (diff) | |
| download | linux-5bf6fcc2bbfb90d997f88c969f1ceee35d064a24.tar.xz | |
mac80211: Check pending scan request after having processed mgd work
When the queued management work items are processed in
ieee80211_sta_work() an item could be removed. This could change the
anybusy from true to false, so we better check whether we can start a
new scan only after having processed the pending work first.
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | net/mac80211/mlme.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index c374d2d73fa4..97a278a2f48e 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2123,25 +2123,9 @@ static void ieee80211_sta_work(struct work_struct *work) } } - list_for_each_entry(wk, &ifmgd->work_list, list) { - if (wk->state != IEEE80211_MGD_STATE_IDLE) { - anybusy = true; - break; - } - } ieee80211_recalc_idle(local); - if (!anybusy) { - mutex_unlock(&ifmgd->mtx); - - if (test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request)) - ieee80211_queue_delayed_work(&local->hw, - &local->scan_work, - round_jiffies_relative(0)); - return; - } - list_for_each_entry_safe(wk, tmp, &ifmgd->work_list, list) { if (time_is_after_jiffies(wk->timeout)) { /* @@ -2187,6 +2171,18 @@ static void ieee80211_sta_work(struct work_struct *work) } } + list_for_each_entry(wk, &ifmgd->work_list, list) { + if (wk->state != IEEE80211_MGD_STATE_IDLE) { + anybusy = true; + break; + } + } + if (!anybusy && + test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request)) + ieee80211_queue_delayed_work(&local->hw, + &local->scan_work, + round_jiffies_relative(0)); + mutex_unlock(&ifmgd->mtx); list_for_each_entry_safe(wk, tmp, &free_work, list) { |