diff options
| -rw-r--r-- | net/mac80211/wep.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index 7aa31bbfaa3b..9464f92b1447 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -97,8 +97,7 @@ static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local, hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); - if (WARN_ON(skb_tailroom(skb) < WEP_ICV_LEN || - skb_headroom(skb) < WEP_IV_LEN)) + if (WARN_ON(skb_headroom(skb) < WEP_IV_LEN)) return NULL; hdrlen = ieee80211_hdrlen(hdr->frame_control); @@ -160,6 +159,9 @@ int ieee80211_wep_encrypt(struct ieee80211_local *local, size_t len; u8 rc4key[3 + WLAN_KEY_LEN_WEP104]; + if (WARN_ON(skb_tailroom(skb) < WEP_ICV_LEN)) + return -1; + iv = ieee80211_wep_add_iv(local, skb, keylen, keyidx); if (!iv) return -1; |