1 files changed, 11 insertions, 2 deletions

diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 935c63ed3dfa..e55d2834764c 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -630,7 +630,7 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev,
         struct ieee80211_sub_if_data *sdata;
         int idx, i, alg = ALG_WEP;
         u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-        int remove = 0;
+        int remove = 0, ret;
 
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
@@ -656,11 +656,20 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev,
                 return 0;
         }
 
-        return ieee80211_set_encryption(
+        ret = ieee80211_set_encryption(
                 sdata, bcaddr,
                 idx, alg, remove,
                 !sdata->default_key,
                 keybuf, erq->length);
+
+        if (!ret) {
+                if (remove)
+                        sdata->u.mgd.flags &= ~IEEE80211_STA_TKIP_WEP_USED;
+                else
+                        sdata->u.mgd.flags |= IEEE80211_STA_TKIP_WEP_USED;
+        }
+
+        return ret;
 }