mac80211: allow calling ieee80211_ap_probereq_get() during auth/assoc

Drivers might need getting the probe request
(e.g. in order to extract the ssid) even during
auth/assoc.

Make ieee80211_ap_probereq_get() support it
by considering auth_data/assoc_data as well.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 398ce8e..e9c0d1b 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1612,6 +1612,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
 {
        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
        struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+       struct cfg80211_bss *cbss;
        struct sk_buff *skb;
        const u8 *ssid;
        int ssid_len;
@@ -1621,16 +1622,22 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
 
        ASSERT_MGD_MTX(ifmgd);
 
-       if (!ifmgd->associated)
+       if (ifmgd->associated)
+               cbss = ifmgd->associated;
+       else if (ifmgd->auth_data)
+               cbss = ifmgd->auth_data->bss;
+       else if (ifmgd->assoc_data)
+               cbss = ifmgd->assoc_data->bss;
+       else
                return NULL;
 
-       ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
+       ssid = ieee80211_bss_get_ie(cbss, WLAN_EID_SSID);
        if (WARN_ON_ONCE(ssid == NULL))
                ssid_len = 0;
        else
                ssid_len = ssid[1];
 
-       skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
+       skb = ieee80211_build_probe_req(sdata, cbss->bssid,
                                        (u32) -1, ssid + 2, ssid_len,
                                        NULL, 0, true);