11 files changed, 50 insertions, 25 deletions

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index eba32f56850a..c2c6f4604958 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -790,7 +790,7 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
         if (nw_type & ADHOC_NETWORK) {
                 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
                            nw_type & ADHOC_CREATOR ? "creator" : "joiner");
-                cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
+                cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL);
                 cfg80211_put_bss(ar->wiphy, bss);
                 return;
         }
@@ -861,13 +861,9 @@ void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
         }
 
         if (vif->nw_type & ADHOC_NETWORK) {
-                if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
+                if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC)
                         ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
                                    "%s: ath6k not in ibss mode\n", __func__);
-                        return;
-                }
-                memset(bssid, 0, ETH_ALEN);
-                cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
                 return;
         }
 
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 3d25c18340c5..1a80bf19cb89 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -4658,6 +4658,7 @@ brcmf_notify_connect_status(struct brcmf_if *ifp,
         struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
         struct net_device *ndev = ifp->ndev;
         struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
+        struct ieee80211_channel *chan;
         s32 err = 0;
 
         if (ifp->vif->mode == WL_MODE_AP) {
@@ -4665,9 +4666,10 @@ brcmf_notify_connect_status(struct brcmf_if *ifp,
         } else if (brcmf_is_linkup(e)) {
                 brcmf_dbg(CONN, "Linkup\n");
                 if (brcmf_is_ibssmode(ifp->vif)) {
+                        chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
                         memcpy(profile->bssid, e->addr, ETH_ALEN);
                         wl_inform_ibss(cfg, ndev, e->addr);
-                        cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL);
+                        cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
                         clear_bit(BRCMF_VIF_STATUS_CONNECTING,
                                   &ifp->vif->sme_state);
                         set_bit(BRCMF_VIF_STATUS_CONNECTED,
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 32f75007a825..2d72a6b4b93e 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -1766,7 +1766,8 @@ static void lbs_join_post(struct lbs_private *priv,
         memcpy(priv->wdev->ssid, params->ssid, params->ssid_len);
         priv->wdev->ssid_len = params->ssid_len;
 
-        cfg80211_ibss_joined(priv->dev, bssid, GFP_KERNEL);
+        cfg80211_ibss_joined(priv->dev, bssid, params->chandef.chan,
+                             GFP_KERNEL);
 
         /* TODO: consider doing this at MACREG_INT_CODE_LINK_SENSED time */
         priv->connect_status = LBS_CONNECTED;
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index f4cf9c9d40ec..0948ebe8942e 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1882,7 +1882,8 @@ mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
                                      params->privacy);
 done:
         if (!ret) {
-                cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
+                cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
+                                     params->chandef.chan, GFP_KERNEL);
                 dev_dbg(priv->adapter->dev,
                         "info: joined/created adhoc network with bssid"
                         " %pM successfully\n", priv->cfg_bssid);
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 5028557aa18a..2e89a865a67d 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -2835,7 +2835,9 @@ static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
                                         bssid, req_ie, req_ie_len,
                                         resp_ie, resp_ie_len, GFP_KERNEL);
         } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
-                cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
+                cfg80211_ibss_joined(usbdev->net, bssid,
+                                     get_current_channel(usbdev, NULL),
+                                     GFP_KERNEL);
 
         kfree(info);
 
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 009290e36d15..c68201d78b90 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3895,6 +3895,7 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
  *
  * @dev: network device
  * @bssid: the BSSID of the IBSS joined
+ * @channel: the channel of the IBSS joined
  * @gfp: allocation flags
  *
  * This function notifies cfg80211 that the device joined an IBSS or
@@ -3904,7 +3905,8 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
  * with the locally generated beacon -- this guarantees that there is
  * always a scan result for this IBSS. cfg80211 will handle the rest.
  */
-void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp);
+void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
+                          struct ieee80211_channel *channel, gfp_t gfp);
 
 /**
  * cfg80211_notify_new_candidate - notify cfg80211 of a new mesh peer candidate
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 8e444476307a..9c84b75f3de8 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -382,7 +382,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
                                               presp->head_len, 0, GFP_KERNEL);
         cfg80211_put_bss(local->hw.wiphy, bss);
         netif_carrier_on(sdata->dev);
-        cfg80211_ibss_joined(sdata->dev, ifibss->bssid, GFP_KERNEL);
+        cfg80211_ibss_joined(sdata->dev, ifibss->bssid, chan, GFP_KERNEL);
 }
 
 static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 37ec16d7bb1a..8a820f9c4a76 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -210,6 +210,7 @@ struct cfg80211_event {
                 } dc;
                 struct {
                         u8 bssid[ETH_ALEN];
+                        struct ieee80211_channel *channel;
                 } ij;
         };
 };
@@ -257,7 +258,8 @@ int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
                           struct net_device *dev, bool nowext);
 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
                         struct net_device *dev, bool nowext);
-void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
+void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
+                            struct ieee80211_channel *channel);
 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
                             struct wireless_dev *wdev);
 
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index f911c5f9f903..e37e39c29dfb 100644
--- a/