diff options
| -rw-r--r-- | net/mac80211/mlme.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 0ece151659c..73808780f53 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1503,13 +1503,22 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, struct ieee80211_bss *bss) { struct ieee80211_local *local = sdata->local; - int res, rates, i, j; + int res = 0, rates, i, j; struct sk_buff *skb; struct ieee80211_mgmt *mgmt; u8 *pos; struct ieee80211_supported_band *sband; union iwreq_data wrqu; + if (local->ops->reset_tsf) { + /* Reset own TSF to allow time synchronization work. */ + local->ops->reset_tsf(local_to_hw(local)); + } + + if ((ifsta->flags & IEEE80211_STA_PREV_BSSID_SET) && + memcmp(ifsta->bssid, bss->bssid, ETH_ALEN) == 0) + return res; + skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 + sdata->u.sta.ie_proberesp_len); if (!skb) { @@ -1520,13 +1529,11 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; - /* Remove possible STA entries from other IBSS networks. */ - sta_info_flush_delayed(sdata); - - if (local->ops->reset_tsf) { - /* Reset own TSF to allow time synchronization work. */ - local->ops->reset_tsf(local_to_hw(local)); + if (!(ifsta->flags & IEEE80211_STA_PREV_BSSID_SET)) { + /* Remove possible STA entries from other IBSS networks. */ + sta_info_flush_delayed(sdata); } + memcpy(ifsta->bssid, bss->bssid, ETH_ALEN); res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID); if (res) |