Merge branch 'linus' into perfcounters/core

Merge reason: Bring in tracing changes we depend on.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 13 insertions, 112 deletions

diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c
index 68a22b32fcf0..c6c3bc38459b 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c
@@ -20,29 +20,14 @@
 
 #include "ieee80211.h"
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include "rtl_crypto.h"
-#else
 #include <linux/crypto.h>
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-    #include <asm/scatterlist.h>
-#else
-    #include <linux/scatterlist.h>
-#endif
-//#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
 #include <linux/crc32.h>
 
 MODULE_AUTHOR("Jouni Malinen");
 MODULE_DESCRIPTION("Host AP crypt: WEP");
 MODULE_LICENSE("GPL");
 
-#ifdef OPENSUSE_SLED
-#ifndef IN_OPENSUSE_SLED
-#define IN_OPENSUSE_SLED 1
-#endif
-#endif
 
 
 struct prism2_wep_data {
@@ -51,12 +36,8 @@ struct prism2_wep_data {
 	u8 key[WEP_KEY_LEN + 1];
 	u8 key_len;
 	u8 key_idx;
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	struct crypto_tfm *tfm;
-	#else
 	struct crypto_blkcipher *tx_tfm;
 	struct crypto_blkcipher *rx_tfm;
-	#endif
 };
 
 
@@ -69,14 +50,6 @@ static void * prism2_wep_init(int keyidx)
 		goto fail;
 	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = keyidx;
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	priv->tfm = crypto_alloc_tfm("arc4", 0);
-     	if (priv->tfm == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
-		       "crypto API arc4\n");
-		goto fail;
-	}
-	#else
 	priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
 	if (IS_ERR(priv->tx_tfm)) {
 		printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
@@ -91,7 +64,6 @@ static void * prism2_wep_init(int keyidx)
 		priv->rx_tfm = NULL;
 		goto fail;
 	}
-	#endif
 
 	/* start WEP IV from a random value */
 	get_random_bytes(&priv->iv, 4);
@@ -99,14 +71,6 @@ static void * prism2_wep_init(int keyidx)
 	return priv;
 
 fail:
-	//#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	if (priv) {
-		if (priv->tfm)
-			crypto_free_tfm(priv->tfm);
-		kfree(priv);
-	}
-       #else
 	if (priv) {
 		if (priv->tx_tfm)
 			crypto_free_blkcipher(priv->tx_tfm);
@@ -114,7 +78,7 @@ fail:
 			crypto_free_blkcipher(priv->rx_tfm);
 		kfree(priv);
 	}
-	#endif
+
 	return NULL;
 }
 
@@ -122,18 +86,14 @@ fail:
 static void prism2_wep_deinit(void *priv)
 {
 	struct prism2_wep_data *_priv = priv;
-	//#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	if (_priv && _priv->tfm)
-		crypto_free_tfm(_priv->tfm);
-	#else
+
 	if (_priv) {
 		if (_priv->tx_tfm)
 			crypto_free_blkcipher(_priv->tx_tfm);
 		if (_priv->rx_tfm)
 			crypto_free_blkcipher(_priv->rx_tfm);
 	}
-        #endif
+
 	kfree(priv);
 }
 
@@ -147,18 +107,14 @@ static void prism2_wep_deinit(void *priv)
 static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 {
 	struct prism2_wep_data *wep = priv;
-//#if(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))
-#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED))
-        struct blkcipher_desc desc = {.tfm = wep->tx_tfm};
-#endif
+	struct blkcipher_desc desc = { .tfm = wep->tx_tfm };
 	u32 klen, len;
 	u8 key[WEP_KEY_LEN + 3];
 	u8 *pos;
-#ifndef JOHN_HWSEC
 	u32 crc;
 	u8 *icv;
 	struct scatterlist sg;
-#endif
+
 	if (skb_headroom(skb) < 4 || skb_tailroom(skb) < 4 ||
 	    skb->len < hdr_len)
 		return -1;
@@ -190,41 +146,18 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	/* Copy rest of the WEP key (the secret part) */
 	memcpy(key + 3, wep->key, wep->key_len);
 
-#ifndef JOHN_HWSEC
 	/* Append little-endian CRC32 and encrypt it to produce ICV */
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 	crc = ~crc32_le(~0, pos, len);
-#else
-	crc = ~ether_crc_le(len, pos);
-#endif
 	icv = skb_put(skb, 4);
 	icv[0] = crc;
 	icv[1] = crc >> 8;
 	icv[2] = crc >> 16;
 	icv[3] = crc >> 24;
 
-        //#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	crypto_cipher_setkey(wep->tfm, key, klen);
-	sg.page = virt_to_page(pos);
-	sg.offset = offset_in_page(pos);
-	sg.length = len + 4;
-	crypto_cipher_encrypt(wep->tfm, &sg, &sg, len + 4);
-
-	return 0;
-	#else
 	crypto_blkcipher_setkey(wep->tx_tfm, key, klen);
-        #if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-          sg.page = virt_to_page(pos);
-          sg.offset = offset_in_page(pos);
-          sg.length = len + 4;
-        #else
-          sg_init_one(&sg, pos, len+4);
-        #endif
+	sg_init_one(&sg, pos, len + 4);
+
 	return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
-	#endif
-#endif /* JOHN_HWSEC */
-	return 0;
 }
 
 
@@ -238,18 +171,14 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 {
 	struct prism2_wep_data *wep = priv;
-        //#if(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED))
-        struct blkcipher_desc desc = {.tfm = wep->rx_tfm};
-        #endif
+	struct blkcipher_desc desc = { .tfm = wep->rx_tfm };
 	u32 klen, plen;
 	u8 key[WEP_KEY_LEN + 3];
 	u8 keyidx, *pos;
-#ifndef JOHN_HWSEC
 	u32 crc;
 	u8 icv[4];
 	struct scatterlist sg;
-#endif
+
 	if (skb->len < hdr_len + 8)
 		return -1;
 
@@ -268,32 +197,14 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 	/* Apply RC4 to data and compute CRC32 over decrypted data */
 	plen = skb->len - hdr_len - 8;
-#ifndef JOHN_HWSEC
-//#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	crypto_cipher_setkey(wep->tfm, key, klen);
-	sg.page = virt_to_page(pos);
-	sg.offset = offset_in_page(pos);
-	sg.length = plen + 4;
-	crypto_cipher_decrypt(wep->tfm, &sg, &sg, plen + 4);
-#else
+
 	crypto_blkcipher_setkey(wep->rx_tfm, key, klen);
-        #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-          sg.page = virt_to_page(pos);
-          sg.offset = offset_in_page(pos);
-          sg.length = plen + 4;
-        #else
-          sg_init_one(&sg, pos, plen+4);
-        #endif
+	sg_init_one(&sg, pos, plen + 4);
+
 	if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4))
 		return -7;
-#endif
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 	crc = ~crc32_le(~0, pos, plen);
-#else
-	crc = ~ether_crc_le(plen, pos);
-#endif
 	icv[0] = crc;
 	icv[1] = crc >> 8;
 	icv[2] = crc >> 16;
@@ -303,7 +214,6 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		/* ICV mismatch - drop frame */
 		return -2;
 	}
-#endif 	/* JOHN_HWSEC */
 
 	/* Remove IV and ICV */
 	memmove(skb->data + 4, skb->data, hdr_len);
@@ -383,12 +293,3 @@ void ieee80211_wep_null(void)
 //	printk("============>%s()\n", __func__);
         return;
 }
-#if 0
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-EXPORT_SYMBOL(ieee80211_wep_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_wep_null);
-#endif
-#endif
-//module_init(ieee80211_crypto_wep_init);
-//module_exit(ieee80211_crypto_wep_exit);