1 files changed, 4 insertions, 3 deletions

diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 639998775b48..376c84987e4f 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -291,9 +291,10 @@ u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
 ieee80211_rx_result
 ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx)
 {
-        if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA &&
-            ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT ||
-             (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_AUTH))
+        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+
+        if (!ieee80211_is_data(hdr->frame_control) &&
+            !ieee80211_is_auth(hdr->frame_control))
                 return RX_CONTINUE;
 
         if (!(rx->status->flag & RX_FLAG_DECRYPTED)) {