* [PATCH] use swap()
@ 2021-07-13 2:38 Salah Triki
0 siblings, 0 replies; only message in thread
From: Salah Triki @ 2021-07-13 2:38 UTC (permalink / raw)
To: herbert, davem, nicolas.ferre, alexandre.belloni,
ludovic.desroches
Cc: linux-crypto, linux-arm-kernel, linux-kernel
Use swap() instead of implementing it in order to make code more clean.
Signed-off-by: Salah Triki <salah.triki@gmail.com>
---
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
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