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use swap()

PATCH New Salah Triki 1 participant 1 message Jul 13, 2021

Subsystems (2)
Crypto API Arm/Microchip (AT91) SoC support
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Salah Triki

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PATCH 1/1 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(-)
drivers/crypto/atmel-aes.c +2 -6
index b1d286004295..60041022c4f5 100644
@@ -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);
Signature · 1 line
2.25.1