1 files changed, 3 insertions, 6 deletions

diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index de570b38460..cc79e697cdb 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -170,15 +170,12 @@ static void ieee80211_compute_tkip_p1k(struct ieee80211_key *key, u32 iv32)
                 tkip_mixing_phase1(tk, ctx, sdata->vif.addr, iv32);
 }
 
-void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf,
-                            struct sk_buff *skb, u16 *p1k)
+void ieee80211_get_tkip_p1k_iv(struct ieee80211_key_conf *keyconf,
+                               u32 iv32, u16 *p1k)
 {
         struct ieee80211_key *key = (struct ieee80211_key *)
                         container_of(keyconf, struct ieee80211_key, conf);
         struct tkip_ctx *ctx = &key->u.tkip.tx;
-        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-        const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
-        u32 iv32 = get_unaligned_le32(&data[4]);
         unsigned long flags;
 
         spin_lock_irqsave(&key->u.tkip.txlock, flags);
@@ -186,7 +183,7 @@ void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf,
         memcpy(p1k, ctx->p1k, sizeof(ctx->p1k));
         spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
 }
-EXPORT_SYMBOL(ieee80211_get_tkip_p1k);
+EXPORT_SYMBOL(ieee80211_get_tkip_p1k_iv);
 
 void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
                             struct sk_buff *skb, u8 *p2k)