1 files changed, 15 insertions, 24 deletions

diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index e7b6344c900..35b664d00e2 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -84,20 +84,17 @@ static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local,
 				struct sk_buff *skb,
 				struct ieee80211_key *key)
 {
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	u16 fc;
-	int hdrlen;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	unsigned int hdrlen;
 	u8 *newhdr;
 
-	fc = le16_to_cpu(hdr->frame_control);
-	fc |= IEEE80211_FCTL_PROTECTED;
-	hdr->frame_control = cpu_to_le16(fc);
+	hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
 
 	if (WARN_ON(skb_tailroom(skb) < WEP_ICV_LEN ||
 		    skb_headroom(skb) < WEP_IV_LEN))
 		return NULL;
 
-	hdrlen = ieee80211_get_hdrlen(fc);
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	newhdr = skb_push(skb, WEP_IV_LEN);
 	memmove(newhdr, newhdr + WEP_IV_LEN, hdrlen);
 	ieee80211_wep_get_iv(local, key, newhdr + hdrlen);
@@ -109,12 +106,10 @@ static void ieee80211_wep_remove_iv(struct ieee80211_local *local,
 				    struct sk_buff *skb,
 				    struct ieee80211_key *key)
 {
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	u16 fc;
-	int hdrlen;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	unsigned int hdrlen;
 
-	fc = le16_to_cpu(hdr->frame_control);
-	hdrlen = ieee80211_get_hdrlen(fc);
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	memmove(skb->data + WEP_IV_LEN, skb->data, hdrlen);
 	skb_pull(skb, WEP_IV_LEN);
 }
@@ -224,17 +219,15 @@ int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
 	u32 klen;
 	u8 *rc4key;
 	u8 keyidx;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	u16 fc;
-	int hdrlen;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	unsigned int hdrlen;
 	size_t len;
 	int ret = 0;
 
-	fc = le16_to_cpu(hdr->frame_control);
-	if (!(fc & IEEE80211_FCTL_PROTECTED))
+	if (!ieee80211_has_protected(hdr->frame_control))
 		return -1;
 
-	hdrlen = ieee80211_get_hdrlen(fc);
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
 	if (skb->len < 8 + hdrlen)
 		return -1;
@@ -281,17 +274,15 @@ int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
 
 u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
 {
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	u16 fc;
-	int hdrlen;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	unsigned int hdrlen;
 	u8 *ivpos;
 	u32 iv;
 
-	fc = le16_to_cpu(hdr->frame_control);
-	if (!(fc & IEEE80211_FCTL_PROTECTED))
+	if (!ieee80211_has_protected(hdr->frame_control))
 		return NULL;
 
-	hdrlen = ieee80211_get_hdrlen(fc);
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	ivpos = skb->data + hdrlen;
 	iv = (ivpos[0] << 16) | (ivpos[1] << 8) | ivpos[2];