linux-kernel - [PATCH 05/11] crypto: atmel

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Date:   Tue, 22 Aug 2017 10:08:12 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     herbert@...dor.apana.org.au, davem@...emloft.net,
        tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        x86@...nel.org, horia.geanta@....com, dan.douglass@....com,
        thomas.lendacky@....com, gary.hook@....com, harsh@...lsio.com,
        matthias.bgg@...il.com, leosilva@...ux.vnet.ibm.com,
        pfsmorigo@...ux.vnet.ibm.com, benh@...nel.crashing.org,
        paulus@...ba.org, mpe@...erman.id.au
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH 05/11] crypto: atmel - Use GCM IV size constant

This patch replace GCM IV size value by their constant name.

Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
---
 drivers/crypto/atmel-aes.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 29e20c37f3a6..903fd43f23a5 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -36,6 +36,7 @@
 #include <crypto/scatterwalk.h>
 #include <crypto/algapi.h>
 #include <crypto/aes.h>
+#include <crypto/gcm.h>
 #include <crypto/xts.h>
 #include <crypto/internal/aead.h>
 #include <linux/platform_data/crypto-atmel.h>
@@ -1532,7 +1533,7 @@ static int atmel_aes_gcm_start(struct atmel_aes_dev *dd)
 	if (err)
 		return atmel_aes_complete(dd, err);
 
-	if (likely(ivsize == 12)) {
+	if (likely(ivsize == GCM_AES_IV_SIZE)) {
 		memcpy(ctx->j0, iv, ivsize);
 		ctx->j0[3] = cpu_to_be32(1);
 		return atmel_aes_gcm_process(dd);
@@ -1820,7 +1821,7 @@ static struct aead_alg aes_gcm_alg = {
 	.decrypt	= atmel_aes_gcm_decrypt,
 	.init		= atmel_aes_gcm_init,
 	.exit		= atmel_aes_gcm_exit,
-	.ivsize		= 12,
+	.ivsize		= GCM_AES_IV_SIZE,
 	.maxauthsize	= AES_BLOCK_SIZE,
 
 	.base = {
-- 
2.13.0