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 29e20c37f3a6719861631207b2363af4c01862ba..903fd43f23a5c7c8ee6a6eb4d2eb4198c87b3c31 100644 (file)
--- 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 = {