diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 31 |
2 files changed, 23 insertions, 9 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 630a438180fd..989591787aee 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -284,6 +284,7 @@ struct ieee80211_if_managed { struct mutex mtx; struct ieee80211_bss *associated; + struct ieee80211_mgd_work *old_associate_work; struct list_head work_list; u8 bssid[ETH_ALEN]; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 6d5a1ee0445f..c374d2d73fa4 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -880,10 +880,11 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata, } static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, - struct ieee80211_bss *bss, + struct ieee80211_mgd_work *wk, u32 bss_info_changed) { struct ieee80211_local *local = sdata->local; + struct ieee80211_bss *bss = wk->bss; bss_info_changed |= BSS_CHANGED_ASSOC; /* set timing information */ @@ -896,6 +897,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, bss->cbss.capability, bss->has_erp_value, bss->erp_value); sdata->u.mgd.associated = bss; + sdata->u.mgd.old_associate_work = wk; memcpy(sdata->u.mgd.bssid, bss->cbss.bssid, ETH_ALEN); /* just to be sure */ @@ -1010,7 +1012,8 @@ ieee80211_authenticate(struct ieee80211_sub_if_data *sdata, return RX_MGMT_NONE; } -static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata) +static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, + bool deauth) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_local *local = sdata->local; @@ -1028,6 +1031,16 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata) ifmgd->associated = NULL; memset(ifmgd->bssid, 0, ETH_ALEN); + if (deauth) { + kfree(ifmgd->old_associate_work); + ifmgd->old_associate_work = NULL; + } else { + struct ieee80211_mgd_work *wk = ifmgd->old_associate_work; + + wk->state = IEEE80211_MGD_STATE_IDLE; + list_add(&wk->list, &ifmgd->work_list); + } + /* * we need to commit the associated = NULL change because the * scan code uses that to determine whether this iface should @@ -1345,7 +1358,7 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata, sdata->dev->name, bssid, reason_code); if (!wk) { - ieee80211_set_disassoc(sdata); + ieee80211_set_disassoc(sdata, true); } else { list_del(&wk->list); kfree(wk); @@ -1378,7 +1391,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata, printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n", sdata->dev->name, reason_code); - ieee80211_set_disassoc(sdata); + ieee80211_set_disassoc(sdata, false); return RX_MGMT_CFG80211_DISASSOC; } @@ -1581,7 +1594,8 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, * ieee80211_set_associated() will tell the driver */ bss_conf->aid = aid; bss_conf->assoc_capability = capab_info; - ieee80211_set_associated(sdata, wk->bss, changed); + /* this will take ownership of wk */ + ieee80211_set_associated(sdata, wk, changed); /* * Start timer to probe the connection to the AP now. @@ -1590,7 +1604,6 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, ieee80211_sta_rx_notify(sdata, (struct ieee80211_hdr *)mgmt); mod_beacon_timer(sdata); - kfree(wk); return RX_MGMT_CFG80211_ASSOC; } @@ -2096,7 +2109,7 @@ static void ieee80211_sta_work(struct work_struct *work) printk(KERN_DEBUG "No probe response from AP %pM" " after %dms, disconnecting.\n", bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ); - ieee80211_set_disassoc(sdata); + ieee80211_set_disassoc(sdata, true); mutex_unlock(&ifmgd->mtx); /* * must be outside lock due to cfg80211, @@ -2500,7 +2513,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, if (ifmgd->associated && &ifmgd->associated->cbss == req->bss) { bssid = req->bss->bssid; - ieee80211_set_disassoc(sdata); + ieee80211_set_disassoc(sdata, true); } else list_for_each_entry(wk, &ifmgd->work_list, list) { if (&wk->bss->cbss == req->bss) { bssid = req->bss->bssid; @@ -2552,7 +2565,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, return -ENOLINK; } - ieee80211_set_disassoc(sdata); + ieee80211_set_disassoc(sdata, false); mutex_unlock(&ifmgd->mtx); |