Commit 089015d3 authored by Salah Triki's avatar Salah Triki Committed by Herbert Xu
Browse files

crypto: atmel-aes - use swap() 



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

Signed-off-by: default avatarSalah Triki <salah.triki@gmail.com>
Reviewed-by: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 0469dede

drivers/crypto/atmel-aes.c

+2 −6
Original line number Diff line number Diff line
@@ -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);