mac80211: refuse shared key auth when WEP is unavailable
Johannes Berg [Wed, 21 Jul 2010 08:09:25 +0000 (10:09 +0200)]
When WEP is not available, we should reject shared
key authentication because it could never succeed.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/mlme.c

index 7a4e4bf..cf8d721 100644 (file)
@@ -2031,6 +2031,8 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
                auth_alg = WLAN_AUTH_OPEN;
                break;
        case NL80211_AUTHTYPE_SHARED_KEY:
+               if (IS_ERR(sdata->local->wep_tx_tfm))
+                       return -EOPNOTSUPP;
                auth_alg = WLAN_AUTH_SHARED_KEY;
                break;
        case NL80211_AUTHTYPE_FT: