From: Corentin LABBE <clabbe.montjoie@gmail.com>
Date: Tue, 22 Aug 2017 08:08:12 +0000 (+0200)
Subject: crypto: atmel - Use GCM IV size constant
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=219d51c759c3ecd04372aa6b3ce74bdc4911f281;p=openwrt%2Fstaging%2Fblogic.git

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@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

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 = {