diff options
| author | David S. Miller <davem@davemloft.net> | 2008-06-10 01:54:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-06-10 01:54:31 -0700 |
| commit | 788c0a53164c05c5ccdb1472474372b72ba74644 (patch) | |
| tree | 5f274102e3dc4bcca6cb3a695aa2c8228ad5fc4f /net/mac80211/wep.c | |
| parent | e64bda89b8fe81cce9b4a20885d2c204c2d52532 (diff) | |
| parent | 78cf07472f0ede8394bacc4bc02354505080cfe1 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Conflicts:
drivers/net/ps3_gelic_wireless.c
drivers/net/wireless/libertas/main.c
Diffstat (limited to 'net/mac80211/wep.c')
| -rw-r--r-- | net/mac80211/wep.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index 3cbae42ec50..e7b6344c900 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -93,13 +93,9 @@ static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local, fc |= IEEE80211_FCTL_PROTECTED; hdr->frame_control = cpu_to_le16(fc); - if ((skb_headroom(skb) < WEP_IV_LEN || - skb_tailroom(skb) < WEP_ICV_LEN)) { - I802_DEBUG_INC(local->tx_expand_skb_head); - if (unlikely(pskb_expand_head(skb, WEP_IV_LEN, WEP_ICV_LEN, - GFP_ATOMIC))) - return NULL; - } + if (WARN_ON(skb_tailroom(skb) < WEP_ICV_LEN || + skb_headroom(skb) < WEP_IV_LEN)) + return NULL; hdrlen = ieee80211_get_hdrlen(fc); newhdr = skb_push(skb, WEP_IV_LEN); @@ -333,11 +329,16 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx) static int wep_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + info->control.iv_len = WEP_IV_LEN; + info->control.icv_len = WEP_ICV_LEN; + if (!(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) { if (ieee80211_wep_encrypt(tx->local, skb, tx->key)) return -1; } else { - tx->control->hw_key = &tx->key->conf; + info->control.hw_key = &tx->key->conf; if (tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) { if (!ieee80211_wep_add_iv(tx->local, skb, tx->key)) return -1; @@ -349,8 +350,6 @@ static int wep_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) ieee80211_tx_result ieee80211_crypto_wep_encrypt(struct ieee80211_tx_data *tx) { - tx->control->iv_len = WEP_IV_LEN; - tx->control->icv_len = WEP_ICV_LEN; ieee80211_tx_set_protected(tx); if (wep_encrypt_skb(tx, tx->skb) < 0) { |