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Subject[PATCH 15/16] crypto: atmel-aes - Use gcm helper to check authsize
Date
From: Tudor Ambarus <tudor.ambarus@microchip.com>

Use core helper functions.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
drivers/crypto/atmel-aes.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 60f54580d646..18802c977291 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -1790,21 +1790,7 @@ static int atmel_aes_gcm_setkey(struct crypto_aead *tfm, const u8 *key,
static int atmel_aes_gcm_setauthsize(struct crypto_aead *tfm,
unsigned int authsize)
{
- /* Same as crypto_gcm_authsize() from crypto/gcm.c */
- switch (authsize) {
- case 4:
- case 8:
- case 12:
- case 13:
- case 14:
- case 15:
- case 16:
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
+ return crypto_gcm_check_authsize(authsize);
}

static int atmel_aes_gcm_encrypt(struct aead_request *req)
--
2.14.5
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