1 files changed, 9 insertions, 5 deletions

diff --git a/net/ieee80211/ieee80211_wx.c b/net/ieee80211/ieee80211_wx.c
index 1ce7af9bec35..181755f2aa8b 100644
--- a/net/ieee80211/ieee80211_wx.c
+++ b/net/ieee80211/ieee80211_wx.c
@@ -161,9 +161,11 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
                              (ieee->perfect_rssi - ieee->worst_rssi) -
                              (ieee->perfect_rssi - network->stats.rssi) *
                              (15 * (ieee->perfect_rssi - ieee->worst_rssi) +
-                              62 * (ieee->perfect_rssi - network->stats.rssi))) /
-                            ((ieee->perfect_rssi - ieee->worst_rssi) *
-                             (ieee->perfect_rssi - ieee->worst_rssi));
+                              62 * (ieee->perfect_rssi -
+                                    network->stats.rssi))) /
+                            ((ieee->perfect_rssi -
+                              ieee->worst_rssi) * (ieee->perfect_rssi -
+                                                   ieee->worst_rssi));
                 if (iwe.u.qual.qual > 100)
                         iwe.u.qual.qual = 100;
                 else if (iwe.u.qual.qual < 1)
@@ -520,7 +522,8 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
                 crypt = &ieee->crypt[idx];
                 group_key = 1;
         } else {
-                if (idx != 0)
+                /* some Cisco APs use idx>0 for unicast in dynamic WEP */
+                if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
                         return -EINVAL;
                 if (ieee->iw_mode == IW_MODE_INFRA)
                         crypt = &ieee->crypt[idx];
@@ -688,7 +691,8 @@ int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee,
         } else
                 idx = ieee->tx_keyidx;
 
-        if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)
+        if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
+            ext->alg != IW_ENCODE_ALG_WEP)
                 if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
                         return -EINVAL;