diff options
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/atmel-aes.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index d0f387674d32..9391ccc03382 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -1859,12 +1859,8 @@ static int atmel_aes_xts_process_data(struct atmel_aes_dev *dd) * the order of the ciphered tweak bytes need to be reversed before * writing them into the ODATARx registers. */ - for (i = 0; i < AES_BLOCK_SIZE/2; ++i) { - u8 tmp = tweak_bytes[AES_BLOCK_SIZE - 1 - i]; - - tweak_bytes[AES_BLOCK_SIZE - 1 - i] = tweak_bytes[i]; - tweak_bytes[i] = tmp; - } + for (i = 0; i < AES_BLOCK_SIZE/2; ++i) + swap(tweak_bytes[i], tweak_bytes[AES_BLOCK_SIZE - 1 - i]); /* Process the data. */ atmel_aes_write_ctrl(dd, use_dma, NULL); |