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authorJens Axboe <jens.axboe@oracle.com>2007-10-22 13:44:26 -0400
committerJens Axboe <jens.axboe@oracle.com>2007-10-22 15:19:56 -0400
commitfa05f1286be25a8ce915c5dd492aea61126b3f33 (patch)
tree07d6d32733f3272d588410a64c0cfa25d794e3be /net/ieee80211/ieee80211_crypt_tkip.c
parent60c74f81933635bb4ccb4ee6f31909c51f5cd230 (diff)
Update net/ to use sg helpers
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'net/ieee80211/ieee80211_crypt_tkip.c')
-rw-r--r--net/ieee80211/ieee80211_crypt_tkip.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/net/ieee80211/ieee80211_crypt_tkip.c b/net/ieee80211/ieee80211_crypt_tkip.c
index 72e6ab66834f..c796661a021b 100644
--- a/net/ieee80211/ieee80211_crypt_tkip.c
+++ b/net/ieee80211/ieee80211_crypt_tkip.c
@@ -390,9 +390,7 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
390 icv[3] = crc >> 24; 390 icv[3] = crc >> 24;
391 391
392 crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16); 392 crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16);
393 sg.page = virt_to_page(pos); 393 sg_init_one(&sg, pos, len + 4);
394 sg.offset = offset_in_page(pos);
395 sg.length = len + 4;
396 return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); 394 return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
397} 395}
398 396
@@ -485,9 +483,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
485 plen = skb->len - hdr_len - 12; 483 plen = skb->len - hdr_len - 12;
486 484
487 crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16); 485 crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
488 sg.page = virt_to_page(pos); 486 sg_init_one(&sg, pos, plen + 4);
489 sg.offset = offset_in_page(pos);
490 sg.length = plen + 4;
491 if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) { 487 if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
492 if (net_ratelimit()) { 488 if (net_ratelimit()) {
493 printk(KERN_DEBUG ": TKIP: failed to decrypt " 489 printk(KERN_DEBUG ": TKIP: failed to decrypt "
@@ -539,11 +535,12 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr,
539 printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n"); 535 printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n");
540 return -1; 536 return -1;
541 } 537 }
542 sg[0].page = virt_to_page(hdr); 538 sg_init_table(sg, 2);
539 sg_set_page(&sg[0], virt_to_page(hdr));
543 sg[0].offset = offset_in_page(hdr); 540 sg[0].offset = offset_in_page(hdr);
544 sg[0].length = 16; 541 sg[0].length = 16;
545 542
546 sg[1].page = virt_to_page(data); 543 sg_set_page(&sg[1], virt_to_page(data));
547 sg[1].offset = offset_in_page(data); 544 sg[1].offset = offset_in_page(data);
548 sg[1].length = data_len; 545 sg[1].length = data_len;
549 546