Use memcpy_and_pad() instead of memcpy() followed by memset() to
simplify atmel_sha_hmac_setup().

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
 drivers/crypto/atmel-sha.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 1f1341a16c42..f60c7c8cf912 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -1731,8 +1731,7 @@ static int atmel_sha_hmac_setup(struct atmel_sha_dev *dd,
 		return atmel_sha_hmac_prehash_key(dd, key, keylen);
 
 	/* Prepare ipad. */
-	memcpy((u8 *)hmac->ipad, key, keylen);
-	memset((u8 *)hmac->ipad + keylen, 0, bs - keylen);
+	memcpy_and_pad(hmac->ipad, bs, key, keylen, 0);
 	return atmel_sha_hmac_compute_ipad_hash(dd);
 }

On Sun, May 17, 2026 at 01:42:12AM +0200, Thorsten Blum wrote:
> Use memcpy_and_pad() instead of memcpy() followed by memset() to
> simplify atmel_sha_hmac_setup().
> 
> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
> ---
>  drivers/crypto/atmel-sha.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt