diff options
| author | Wolfram Sang <wsa@the-dreams.de> | 2014-06-17 14:36:41 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2014-06-17 14:37:31 +0200 |
| commit | f0b1f6442b5090fed3529cb39f3acf8c91693d3d (patch) | |
| tree | bc5f62b017a82161c9a7f892f464813f6efd5bf3 /net/mac80211/mesh.c | |
| parent | 4632a93f015caf6d7db4352f37aab74a39e60d7a (diff) | |
| parent | 7171511eaec5bf23fb06078f59784a3a0626b38f (diff) | |
Merge tag 'v3.16-rc1' into i2c/for-next
Merge a stable base (Linux 3.16-rc1)
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'net/mac80211/mesh.c')
| -rw-r--r-- | net/mac80211/mesh.c | 38 |
1 files changed, 17 insertions, 21 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index f70e9cd10552..6495a3f0428d 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -366,20 +366,15 @@ int mesh_add_rsn_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) return 0; /* find RSN IE */ - data = ifmsh->ie; - while (data < ifmsh->ie + ifmsh->ie_len) { - if (*data == WLAN_EID_RSN) { - len = data[1] + 2; - break; - } - data++; - } + data = cfg80211_find_ie(WLAN_EID_RSN, ifmsh->ie, ifmsh->ie_len); + if (!data) + return 0; - if (len) { - if (skb_tailroom(skb) < len) - return -ENOMEM; - memcpy(skb_put(skb, len), data, len); - } + len = data[1] + 2; + + if (skb_tailroom(skb) < len) + return -ENOMEM; + memcpy(skb_put(skb, len), data, len); return 0; } @@ -684,7 +679,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) *pos++ = 0x0; *pos++ = ieee80211_frequency_to_channel( csa->settings.chandef.chan->center_freq); - sdata->csa_counter_offset_beacon = hdr_len + 6; + sdata->csa_counter_offset_beacon[0] = hdr_len + 6; *pos++ = csa->settings.count; *pos++ = WLAN_EID_CHAN_SWITCH_PARAM; *pos++ = 6; @@ -829,7 +824,7 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); bcn = rcu_dereference_protected(ifmsh->beacon, lockdep_is_held(&sdata->wdev.mtx)); - rcu_assign_pointer(ifmsh->beacon, NULL); + RCU_INIT_POINTER(ifmsh->beacon, NULL); kfree_rcu(bcn, rcu_head); /* flush STAs and mpaths on this iface */ @@ -903,14 +898,15 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata, } err = cfg80211_chandef_dfs_required(sdata->local->hw.wiphy, - ¶ms.chandef); + ¶ms.chandef, + NL80211_IFTYPE_MESH_POINT); if (err < 0) return false; - if (err) { - params.radar_required = true; + if (err > 0) /* TODO: DFS not (yet) supported */ return false; - } + + params.radar_required = err; if (cfg80211_chandef_identical(¶ms.chandef, &sdata->vif.bss_conf.chandef)) { @@ -1068,7 +1064,7 @@ int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata) /* Remove the CSA and MCSP elements from the beacon */ tmp_csa_settings = rcu_dereference(ifmsh->csa); - rcu_assign_pointer(ifmsh->csa, NULL); + RCU_INIT_POINTER(ifmsh->csa, NULL); if (tmp_csa_settings) kfree_rcu(tmp_csa_settings, rcu_head); ret = ieee80211_mesh_rebuild_beacon(sdata); @@ -1102,7 +1098,7 @@ int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, ret = ieee80211_mesh_rebuild_beacon(sdata); if (ret) { tmp_csa_settings = rcu_dereference(ifmsh->csa); - rcu_assign_pointer(ifmsh->csa, NULL); + RCU_INIT_POINTER(ifmsh->csa, NULL); kfree_rcu(tmp_csa_settings, rcu_head); return ret; } |