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net/ieee80211: fix more crypto-related build breakage

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Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik 2006-09-22 21:19:05 -04:00
parent 9b6b0b81f0
commit 1837987992
2 changed files with 19 additions and 3 deletions
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19
net/ieee80211/ieee80211_crypt_tkip.c
View File

@ -93,7 +93,7 @@ static void *ieee80211_tkip_init(int key_idx)
if (IS_ERR(priv->tx_tfm_arc4)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API arc4\n");
priv->tfm_arc4 = NULL;
priv->tx_tfm_arc4 = NULL;
goto fail;
}
@ -102,6 +102,7 @@ static void *ieee80211_tkip_init(int key_idx)
if (IS_ERR(priv->tx_tfm_michael)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API michael_mic\n");
priv->tx_tfm_michael = NULL;
goto fail;
}
@ -110,6 +111,7 @@ static void *ieee80211_tkip_init(int key_idx)
if (IS_ERR(priv->rx_tfm_arc4)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API arc4\n");
priv->rx_tfm_arc4 = NULL;
goto fail;
}
@ -118,7 +120,7 @@ static void *ieee80211_tkip_init(int key_idx)
if (IS_ERR(priv->rx_tfm_michael)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API michael_mic\n");
priv->tfm_michael = NULL;
priv->rx_tfm_michael = NULL;
goto fail;
}
@ -392,6 +394,19 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
}
/*
* deal with seq counter wrapping correctly.
* refer to timer_after() for jiffies wrapping handling
*/
static inline int tkip_replay_check(u32 iv32_n, u16 iv16_n,
u32 iv32_o, u16 iv16_o)
{
if ((s32)iv32_n - (s32)iv32_o < 0 ||
(iv32_n == iv32_o && iv16_n <= iv16_o))
return 1;
return 0;
}
static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;

3
net/ieee80211/ieee80211_crypt_wep.c
View File

@ -50,7 +50,7 @@ static void *prism2_wep_init(int keyidx)
if (IS_ERR(priv->tx_tfm)) {
printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
"crypto API arc4\n");
priv->tfm = NULL;
priv->tx_tfm = NULL;
goto fail;
}
@ -58,6 +58,7 @@ static void *prism2_wep_init(int keyidx)
if (IS_ERR(priv->rx_tfm)) {
printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
"crypto API arc4\n");
priv->rx_tfm = NULL;
goto fail;
}
/* start WEP IV from a random value */