From: Johannes Berg <johannes.berg@xxxxxxxxx>
There's no need to use a single scratch buffer and
calculate offsets into it, just use two separate
buffers for the separate variables.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
net/mac80211/aes_cmac.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/net/mac80211/aes_cmac.c b/net/mac80211/aes_cmac.c
index 8dfd70d..a04752e 100644
--- a/net/mac80211/aes_cmac.c
+++ b/net/mac80211/aes_cmac.c
@@ -38,14 +38,10 @@ static void gf_mulx(u8 *pad)
static void aes_128_cmac_vector(struct crypto_cipher *tfm, size_t num_elem,
const u8 *addr[], const size_t *len, u8 *mac)
{
- u8 scratch[2 * AES_BLOCK_SIZE];
- u8 *cbc, *pad;
+ u8 cbc[AES_BLOCK_SIZE], pad[AES_BLOCK_SIZE];
const u8 *pos, *end;
size_t i, e, left, total_len;
- cbc = scratch;
- pad = scratch + AES_BLOCK_SIZE;
-
memset(cbc, 0, AES_BLOCK_SIZE);
total_len = 0;
--
1.7.10.4
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