diff options
Diffstat (limited to 'net/mac80211/mesh_plink.c')
| -rw-r--r-- | net/mac80211/mesh_plink.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 953d71e784a9..1131cd504a15 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -95,19 +95,23 @@ static inline void mesh_plink_fsm_restart(struct sta_info *sta) static u32 mesh_set_short_slot_time(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; - enum nl80211_band band = ieee80211_get_sdata_band(sdata); - struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; + struct ieee80211_supported_band *sband; struct sta_info *sta; u32 erp_rates = 0, changed = 0; int i; bool short_slot = false; - if (band == NL80211_BAND_5GHZ) { + sband = ieee80211_get_sband(sdata); + if (!sband) + return changed; + + if (sband->band == NL80211_BAND_5GHZ) { /* (IEEE 802.11-2012 19.4.5) */ short_slot = true; goto out; - } else if (band != NL80211_BAND_2GHZ) + } else if (sband->band != NL80211_BAND_2GHZ) { goto out; + } for (i = 0; i < sband->n_bitrates; i++) if (sband->bitrates[i].flags & IEEE80211_RATE_ERP_G) @@ -123,7 +127,7 @@ static u32 mesh_set_short_slot_time(struct ieee80211_sub_if_data *sdata) continue; short_slot = false; - if (erp_rates & sta->sta.supp_rates[band]) + if (erp_rates & sta->sta.supp_rates[sband->band]) short_slot = true; else break; @@ -249,7 +253,15 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, mgmt->u.action.u.self_prot.action_code = action; if (action != WLAN_SP_MESH_PEERING_CLOSE) { - enum nl80211_band band = ieee80211_get_sdata_band(sdata); + struct ieee80211_supported_band *sband; + enum nl80211_band band; + + sband = ieee80211_get_sband(sdata); + if (!sband) { + err = -EINVAL; + goto free; + } + band = sband->band; /* capability info */ pos = skb_put(skb, 2); @@ -395,13 +407,16 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, struct ieee802_11_elems *elems, bool insert) { struct ieee80211_local *local = sdata->local; - enum nl80211_band band = ieee80211_get_sdata_band(sdata); struct ieee80211_supported_band *sband; u32 rates, basic_rates = 0, changed = 0; enum ieee80211_sta_rx_bandwidth bw = sta->sta.bandwidth; - sband = local->hw.wiphy->bands[band]; - rates = ieee80211_sta_get_rates(sdata, elems, band, &basic_rates); + sband = ieee80211_get_sband(sdata); + if (!sband) + return; + + rates = ieee80211_sta_get_rates(sdata, elems, sband->band, + &basic_rates); spin_lock_bh(&sta->mesh->plink_lock); sta->rx_stats.last_rx = jiffies; @@ -412,9 +427,9 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, goto out; sta->mesh->processed_beacon = true; - if (sta->sta.supp_rates[band] != rates) + if (sta->sta.supp_rates[sband->band] != rates) changed |= IEEE80211_RC_SUPP_RATES_CHANGED; - sta->sta.supp_rates[band] = rates; + sta->sta.supp_rates[sband->band] = rates; if (ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, elems->ht_cap_elem, sta)) |