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mac80211: recalculate idle later in MLME 

hwsim testing has revealed that when the MLME
recalculates the idle state of the device, it
sometimes does so before sending the final
deauthentication or disassociation frame. This
patch changes the place where the idle state
is recalculated, but of course driver transmit
is typically asynchronous while configuration
is expected to be synchronous, so it doesn't
fix all possible cases yet.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-11-29 12:19:06 +01:00 committed by John W. Linville
parent c14589eb30
commit bc83b68192
1 changed files with 8 additions and 2 deletions
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10
net/mac80211/mlme.c
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@ -1083,8 +1083,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
ieee80211_set_wmm_default(sdata);
ieee80211_recalc_idle(local);
/* channel(_type) changes are handled by ieee80211_hw_config */
local->oper_channel_type = NL80211_CHAN_NO_HT;
@ -1370,6 +1368,7 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
if (!wk) {
ieee80211_set_disassoc(sdata, true);
ieee80211_recalc_idle(sdata->local);
} else {
list_del(&wk->list);
kfree(wk);
@ -1403,6 +1402,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
sdata->dev->name, mgmt->sa, reason_code);
ieee80211_set_disassoc(sdata, false);
ieee80211_recalc_idle(sdata->local);
return RX_MGMT_CFG80211_DISASSOC;
}
@ -2117,6 +2117,7 @@ static void ieee80211_sta_work(struct work_struct *work)
" after %dms, disconnecting.\n",
bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
ieee80211_set_disassoc(sdata, true);
ieee80211_recalc_idle(local);
mutex_unlock(&ifmgd->mtx);
/*
* must be outside lock due to cfg80211,
@ -2560,6 +2561,8 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
IEEE80211_STYPE_DEAUTH, req->reason_code,
cookie);
ieee80211_recalc_idle(sdata->local);
return 0;
}
@ -2592,5 +2595,8 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
ieee80211_send_deauth_disassoc(sdata, req->bss->bssid,
IEEE80211_STYPE_DISASSOC, req->reason_code,
cookie);
ieee80211_recalc_idle(sdata->local);
return 0;
}