Commit d348f69f authored by Johannes Berg's avatar Johannes Berg
Browse files

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: default avatarJohannes Berg <johannes.berg@intel.com>
parent 8b3d1cc2

net/mac80211/aes_cmac.c

+1 −5
Original line number Diff line number Diff line
@@ -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;