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authorAndriy Tkachuk <andrit@ukr.net>2010-02-02 15:58:53 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-02-02 16:03:38 -0500
commitd0833a6a2dbc169aba3abcc0904e5aea348bb4d3 (patch)
treef62a428f00957cc5c2ba0a6d70579ed64e7d647f /net
parentab5132a26236e308c6d3d832a3e04fca351656d8 (diff)
downloadop-kernel-dev-d0833a6a2dbc169aba3abcc0904e5aea348bb4d3.zip
op-kernel-dev-d0833a6a2dbc169aba3abcc0904e5aea348bb4d3.tar.gz
lib80211: Cosmetics - make room for MIC/CRC near the actual calculation
Signed-off-by: Andriy V. Tkachuk <andrit@ukr.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
-rw-r--r--net/wireless/lib80211_crypt_ccmp.c2
-rw-r--r--net/wireless/lib80211_crypt_tkip.c3
2 files changed, 2 insertions, 3 deletions
diff --git a/net/wireless/lib80211_crypt_ccmp.c b/net/wireless/lib80211_crypt_ccmp.c
index 2301dc1..b7fa31d 100644
--- a/net/wireless/lib80211_crypt_ccmp.c
+++ b/net/wireless/lib80211_crypt_ccmp.c
@@ -237,7 +237,6 @@ static int lib80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
return -1;
pos = skb->data + hdr_len + CCMP_HDR_LEN;
- mic = skb_put(skb, CCMP_MIC_LEN);
hdr = (struct ieee80211_hdr *)skb->data;
ccmp_init_blocks(key->tfm, hdr, key->tx_pn, data_len, b0, b, s0);
@@ -257,6 +256,7 @@ static int lib80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos += len;
}
+ mic = skb_put(skb, CCMP_MIC_LEN);
for (i = 0; i < CCMP_MIC_LEN; i++)
mic[i] = b[i] ^ s0[i];
diff --git a/net/wireless/lib80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c
index c362873..c6a3cae 100644
--- a/net/wireless/lib80211_crypt_tkip.c
+++ b/net/wireless/lib80211_crypt_tkip.c
@@ -384,9 +384,8 @@ static int lib80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
if ((lib80211_tkip_hdr(skb, hdr_len, rc4key, 16, priv)) < 0)
return -1;
- icv = skb_put(skb, 4);
-
crc = ~crc32_le(~0, pos, len);
+ icv = skb_put(skb, 4);
icv[0] = crc;
icv[1] = crc >> 8;
icv[2] = crc >> 16;
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