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crypto: atmel - remove empty functions

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Pointer members of an object with static storage duration, if not
explicitly initialized, will be initialized to a NULL pointer.
The crypto API checks if these pointers are not NULL before using them,
therefore we can safely remove these empty functions.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tudor-Dan Ambarus 2017-11-02 17:12:25 +02:00 committed by Herbert Xu
parent f560acc3bb
commit 747f6ec6e8
2 changed files with 0 additions and 38 deletions
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20
drivers/crypto/atmel-aes.c
View File

@ -1265,10 +1265,6 @@ static int atmel_aes_ctr_cra_init(struct crypto_tfm *tfm)
return 0; return 0;
} }
static void atmel_aes_cra_exit(struct crypto_tfm *tfm)
{
}
static struct crypto_alg aes_algs[] = { static struct crypto_alg aes_algs[] = {
{ {
.cra_name = "ecb(aes)", .cra_name = "ecb(aes)",
@ -1281,7 +1277,6 @@ static struct crypto_alg aes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_cra_init, .cra_init = atmel_aes_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = AES_MIN_KEY_SIZE, .min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE,
@ -1301,7 +1296,6 @@ static struct crypto_alg aes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_cra_init, .cra_init = atmel_aes_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = AES_MIN_KEY_SIZE, .min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE,
@ -1322,7 +1316,6 @@ static struct crypto_alg aes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_cra_init, .cra_init = atmel_aes_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = AES_MIN_KEY_SIZE, .min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE,
@ -1343,7 +1336,6 @@ static struct crypto_alg aes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_cra_init, .cra_init = atmel_aes_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = AES_MIN_KEY_SIZE, .min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE,
@ -1364,7 +1356,6 @@ static struct crypto_alg aes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_cra_init, .cra_init = atmel_aes_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = AES_MIN_KEY_SIZE, .min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE,
@ -1385,7 +1376,6 @@ static struct crypto_alg aes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_cra_init, .cra_init = atmel_aes_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = AES_MIN_KEY_SIZE, .min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE,
@ -1406,7 +1396,6 @@ static struct crypto_alg aes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_cra_init, .cra_init = atmel_aes_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = AES_MIN_KEY_SIZE, .min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE,
@ -1427,7 +1416,6 @@ static struct crypto_alg aes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_ctr_cra_init, .cra_init = atmel_aes_ctr_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = AES_MIN_KEY_SIZE, .min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE,
@ -1450,7 +1438,6 @@ static struct crypto_alg aes_cfb64_alg = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_cra_init, .cra_init = atmel_aes_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = AES_MIN_KEY_SIZE, .min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE,
@ -1838,18 +1825,12 @@ static int atmel_aes_gcm_init(struct crypto_aead *tfm)
return 0; return 0;
} }
static void atmel_aes_gcm_exit(struct crypto_aead *tfm)
{
}
static struct aead_alg aes_gcm_alg = { static struct aead_alg aes_gcm_alg = {
.setkey = atmel_aes_gcm_setkey, .setkey = atmel_aes_gcm_setkey,
.setauthsize = atmel_aes_gcm_setauthsize, .setauthsize = atmel_aes_gcm_setauthsize,
.encrypt = atmel_aes_gcm_encrypt, .encrypt = atmel_aes_gcm_encrypt,
.decrypt = atmel_aes_gcm_decrypt, .decrypt = atmel_aes_gcm_decrypt,
.init = atmel_aes_gcm_init, .init = atmel_aes_gcm_init,
.exit = atmel_aes_gcm_exit,
.ivsize = GCM_AES_IV_SIZE, .ivsize = GCM_AES_IV_SIZE,
.maxauthsize = AES_BLOCK_SIZE, .maxauthsize = AES_BLOCK_SIZE,
@ -1985,7 +1966,6 @@ static struct crypto_alg aes_xts_alg = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_aes_xts_cra_init, .cra_init = atmel_aes_xts_cra_init,
.cra_exit = atmel_aes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = 2 * AES_MIN_KEY_SIZE, .min_keysize = 2 * AES_MIN_KEY_SIZE,
.max_keysize = 2 * AES_MAX_KEY_SIZE, .max_keysize = 2 * AES_MAX_KEY_SIZE,

18
drivers/crypto/atmel-tdes.c
View File

@ -911,10 +911,6 @@ static int atmel_tdes_cra_init(struct crypto_tfm *tfm)
return 0; return 0;
} }
static void atmel_tdes_cra_exit(struct crypto_tfm *tfm)
{
}
static struct crypto_alg tdes_algs[] = { static struct crypto_alg tdes_algs[] = {
{ {
.cra_name = "ecb(des)", .cra_name = "ecb(des)",
@ -927,7 +923,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = DES_KEY_SIZE, .min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE,
@ -947,7 +942,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = DES_KEY_SIZE, .min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE,
@ -968,7 +962,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = DES_KEY_SIZE, .min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE,
@ -989,7 +982,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = DES_KEY_SIZE, .min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE,
@ -1010,7 +1002,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = DES_KEY_SIZE, .min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE,
@ -1031,7 +1022,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = DES_KEY_SIZE, .min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE,
@ -1052,7 +1042,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = DES_KEY_SIZE, .min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE,
@ -1073,7 +1062,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = 2 * DES_KEY_SIZE, .min_keysize = 2 * DES_KEY_SIZE,
.max_keysize = 3 * DES_KEY_SIZE, .max_keysize = 3 * DES_KEY_SIZE,
@ -1093,7 +1081,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = 2*DES_KEY_SIZE, .min_keysize = 2*DES_KEY_SIZE,
.max_keysize = 3*DES_KEY_SIZE, .max_keysize = 3*DES_KEY_SIZE,
@ -1114,7 +1101,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = 2*DES_KEY_SIZE, .min_keysize = 2*DES_KEY_SIZE,
.max_keysize = 2*DES_KEY_SIZE, .max_keysize = 2*DES_KEY_SIZE,
@ -1135,7 +1121,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = 2*DES_KEY_SIZE, .min_keysize = 2*DES_KEY_SIZE,
.max_keysize = 2*DES_KEY_SIZE, .max_keysize = 2*DES_KEY_SIZE,
@ -1156,7 +1141,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = 2*DES_KEY_SIZE, .min_keysize = 2*DES_KEY_SIZE,
.max_keysize = 2*DES_KEY_SIZE, .max_keysize = 2*DES_KEY_SIZE,
@ -1177,7 +1161,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = 2*DES_KEY_SIZE, .min_keysize = 2*DES_KEY_SIZE,
.max_keysize = 2*DES_KEY_SIZE, .max_keysize = 2*DES_KEY_SIZE,
@ -1198,7 +1181,6 @@ static struct crypto_alg tdes_algs[] = {
.cra_type = &crypto_ablkcipher_type, .cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
.cra_init = atmel_tdes_cra_init, .cra_init = atmel_tdes_cra_init,
.cra_exit = atmel_tdes_cra_exit,
.cra_u.ablkcipher = { .cra_u.ablkcipher = {
.min_keysize = 2*DES_KEY_SIZE, .min_keysize = 2*DES_KEY_SIZE,
.max_keysize = 3*DES_KEY_SIZE, .max_keysize = 3*DES_KEY_SIZE,