2021-07-22 17:09:15

by Salah Triki

[permalink] [raw]
Subject: [RESEND] crypto: atmel-aes: use swap()

Use swap() instead of implementing it in order to make code more clean.

Signed-off-by: Salah Triki <[email protected]>
---
drivers/crypto/atmel-aes.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index b1d286004295..60041022c4f5 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -1819,12 +1819,8 @@ 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);
--
2.25.1