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mac80211: ibss: disable beaconing before freeing beacon 

If we don't disable beaconing, the driver might attempt
to continue, but would fail to request a beacon. That's
strange, so disable beaconing first.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-03-07 20:22:28 +01:00
parent 8bf2429345
commit 1852d40eab
1 changed files with 12 additions and 9 deletions
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21
net/mac80211/ibss.c
View File

@ -58,14 +58,6 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
/* Reset own TSF to allow time synchronization work. */
drv_reset_tsf(local, sdata);
skb = ifibss->skb;
RCU_INIT_POINTER(ifibss->presp, NULL);
synchronize_rcu();
skb->data = skb->head;
skb->len = 0;
skb_reset_tail_pointer(skb);
skb_reserve(skb, sdata->local->hw.extra_tx_headroom);
if (!ether_addr_equal(ifibss->bssid, bssid))
sta_info_flush(sdata);
@ -73,10 +65,21 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
if (sdata->vif.bss_conf.ibss_joined) {
sdata->vif.bss_conf.ibss_joined = false;
sdata->vif.bss_conf.ibss_creator = false;
sdata->vif.bss_conf.enable_beacon = false;
netif_carrier_off(sdata->dev);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IBSS);
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_IBSS |
BSS_CHANGED_BEACON_ENABLED);
}
skb = ifibss->skb;
RCU_INIT_POINTER(ifibss->presp, NULL);
synchronize_rcu();
skb->data = skb->head;
skb->len = 0;
skb_reset_tail_pointer(skb);
skb_reserve(skb, sdata->local->hw.extra_tx_headroom);
sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
cfg80211_chandef_create(&chandef, chan, ifibss->channel_type);