[PATCH] crypto: qce - use memcpy_and_pad in qce_aead_setkey

[Thorsten Blum]

Replace memset() followed by memcpy() with memcpy_and_pad() to simplify
the code and to write to ->auth_key only once.

Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
---
 drivers/crypto/qce/aead.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/qce/aead.c b/drivers/crypto/qce/aead.c
index 846e1d42775d..425ee6703e3e 100644
--- a/drivers/crypto/qce/aead.c
+++ b/drivers/crypto/qce/aead.c
@@ -642,8 +642,8 @@ static int qce_aead_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int
 
 	memcpy(ctx->enc_key, authenc_keys.enckey, authenc_keys.enckeylen);
 
-	memset(ctx->auth_key, 0, sizeof(ctx->auth_key));
-	memcpy(ctx->auth_key, authenc_keys.authkey, authenc_keys.authkeylen);
+	memcpy_and_pad(ctx->auth_key, sizeof(ctx->auth_key),
+		       authenc_keys.authkey, authenc_keys.authkeylen, 0);
 
 	return crypto_aead_setkey(ctx->fallback, key, keylen);
 }