1 files changed, 30 insertions, 19 deletions

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
index 681611dc93d3..1999bc5cbbc1 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
@@ -18,7 +18,7 @@
 
 #include "ieee80211.h"
 
-#include <linux/crypto.h>
+#include <crypto/skcipher.h>
 #include <linux/scatterlist.h>
 #include <linux/crc32.h>
 
@@ -32,8 +32,8 @@ struct prism2_wep_data {
 	u8 key[WEP_KEY_LEN + 1];
 	u8 key_len;
 	u8 key_idx;
-	struct crypto_blkcipher *tx_tfm;
-	struct crypto_blkcipher *rx_tfm;
+	struct crypto_skcipher *tx_tfm;
+	struct crypto_skcipher *rx_tfm;
 };
 
 
@@ -46,10 +46,10 @@ static void *prism2_wep_init(int keyidx)
 		return NULL;
 	priv->key_idx = keyidx;
 
-	priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
+	priv->tx_tfm = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
 	if (IS_ERR(priv->tx_tfm))
 		goto free_priv;
-	priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
+	priv->rx_tfm = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
 	if (IS_ERR(priv->rx_tfm))
 		goto free_tx;
 
@@ -58,7 +58,7 @@ static void *prism2_wep_init(int keyidx)
 
 	return priv;
 free_tx:
-	crypto_free_blkcipher(priv->tx_tfm);
+	crypto_free_skcipher(priv->tx_tfm);
 free_priv:
 	kfree(priv);
 	return NULL;
@@ -70,10 +70,8 @@ static void prism2_wep_deinit(void *priv)
 	struct prism2_wep_data *_priv = priv;
 
 	if (_priv) {
-		if (_priv->tx_tfm)
-			crypto_free_blkcipher(_priv->tx_tfm);
-		if (_priv->rx_tfm)
-			crypto_free_blkcipher(_priv->rx_tfm);
+		crypto_free_skcipher(_priv->tx_tfm);
+		crypto_free_skcipher(_priv->rx_tfm);
 	}
 	kfree(priv);
 }
@@ -91,10 +89,10 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u8 key[WEP_KEY_LEN + 3];
 	u8 *pos;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	struct blkcipher_desc desc = {.tfm = wep->tx_tfm};
 	u32 crc;
 	u8 *icv;
 	struct scatterlist sg;
+	int err;
 
 	if (skb_headroom(skb) < 4 || skb_tailroom(skb) < 4 ||
 	    skb->len < hdr_len)
@@ -129,6 +127,8 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	memcpy(key + 3, wep->key, wep->key_len);
 
 	if (!tcb_desc->bHwSec) {
+		SKCIPHER_REQUEST_ON_STACK(req, wep->tx_tfm);
+
 		/* Append little-endian CRC32 and encrypt it to produce ICV */
 		crc = ~crc32_le(~0, pos, len);
 		icv = skb_put(skb, 4);
@@ -137,10 +137,16 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		icv[2] = crc >> 16;
 		icv[3] = crc >> 24;
 
-		crypto_blkcipher_setkey(wep->tx_tfm, key, klen);
+		crypto_skcipher_setkey(wep->tx_tfm, key, klen);
 		sg_init_one(&sg, pos, len+4);
 
-		return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
+		skcipher_request_set_tfm(req, wep->tx_tfm);
+		skcipher_request_set_callback(req, 0, NULL, NULL);
+		skcipher_request_set_crypt(req, &sg, &sg, len + 4, NULL);
+
+		err = crypto_skcipher_encrypt(req);
+		skcipher_request_zero(req);
+		return err;
 	}
 
 	return 0;
@@ -161,10 +167,10 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u8 key[WEP_KEY_LEN + 3];
 	u8 keyidx, *pos;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	struct blkcipher_desc desc = {.tfm = wep->rx_tfm};
 	u32 crc;
 	u8 icv[4];
 	struct scatterlist sg;
+	int err;
 
 	if (skb->len < hdr_len + 8)
 		return -1;
@@ -186,10 +192,18 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	plen = skb->len - hdr_len - 8;
 
 	if (!tcb_desc->bHwSec) {
-		crypto_blkcipher_setkey(wep->rx_tfm, key, klen);
+		SKCIPHER_REQUEST_ON_STACK(req, wep->rx_tfm);
+
+		crypto_skcipher_setkey(wep->rx_tfm, key, klen);
 		sg_init_one(&sg, pos, plen+4);
 
-		if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4))
+		skcipher_request_set_tfm(req, wep->rx_tfm);
+		skcipher_request_set_callback(req, 0, NULL, NULL);
+		skcipher_request_set_crypt(req, &sg, &sg, plen + 4, NULL);
+
+		err = crypto_skcipher_decrypt(req);
+		skcipher_request_zero(req);
+		if (err)
 			return -7;
 
 		crc = ~crc32_le(~0, pos, plen);
@@ -274,6 +288,3 @@ void __exit ieee80211_crypto_wep_exit(void)
 	ieee80211_unregister_crypto_ops(&ieee80211_crypt_wep);
 }
 
-void ieee80211_wep_null(void)
-{
-}