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| author | Johannes Berg <johannes.berg@intel.com> | 2012-08-19 14:51:44 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2012-08-20 14:03:18 +0200 |
| commit | d348f69f59af769c405c2f43a2d326d7123ef75a (patch) | |
| tree | bbd28dc224d22f90e754fc9f6e192a9415b59538 | |
| parent | 8b3d1cc213f96bfffb5b7808d859b9ad26149e82 (diff) | |
| download | linux-stable-d348f69f59af769c405c2f43a2d326d7123ef75a.tar.gz linux-stable-d348f69f59af769c405c2f43a2d326d7123ef75a.tar.bz2 linux-stable-d348f69f59af769c405c2f43a2d326d7123ef75a.zip | |
mac80211: simplify buffers in aes_128_cmac_vector
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@intel.com>
| -rw-r--r-- | net/mac80211/aes_cmac.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/net/mac80211/aes_cmac.c b/net/mac80211/aes_cmac.c index 8dfd70d8fcfb..a04752e91023 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; |