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libceph: Remove unnecessary ivsize variables 

This patch removes the unnecessary ivsize variabls as they always
have the value of AES_BLOCK_SIZE.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ilya Dryomov 2016-01-26 18:54:55 +08:00 committed by Herbert Xu
parent 110492183c
commit e9f6452e0e
1 changed files with 8 additions and 12 deletions
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20
net/ceph/crypto.c
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@ -166,8 +166,7 @@ static int ceph_aes_encrypt(const void *key, int key_len,
struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher();
SKCIPHER_REQUEST_ON_STACK(req, tfm);
int ret;
int ivsize = AES_BLOCK_SIZE;
char iv[ivsize];
char iv[AES_BLOCK_SIZE];
size_t zero_padding = (0x10 - (src_len & 0x0f));
char pad[16];
@ -186,7 +185,7 @@ static int ceph_aes_encrypt(const void *key, int key_len,
goto out_tfm;
crypto_skcipher_setkey((void *)tfm, key, key_len);
memcpy(iv, aes_iv, ivsize);
memcpy(iv, aes_iv, AES_BLOCK_SIZE);
skcipher_request_set_tfm(req, tfm);
skcipher_request_set_callback(req, 0, NULL, NULL);
@ -229,8 +228,7 @@ static int ceph_aes_encrypt2(const void *key, int key_len, void *dst,
struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher();
SKCIPHER_REQUEST_ON_STACK(req, tfm);
int ret;
int ivsize = AES_BLOCK_SIZE;
char iv[ivsize];
char iv[AES_BLOCK_SIZE];
size_t zero_padding = (0x10 - ((src1_len + src2_len) & 0x0f));
char pad[16];
@ -250,7 +248,7 @@ static int ceph_aes_encrypt2(const void *key, int key_len, void *dst,
goto out_tfm;
crypto_skcipher_setkey((void *)tfm, key, key_len);
memcpy(iv, aes_iv, ivsize);
memcpy(iv, aes_iv, AES_BLOCK_SIZE);
skcipher_request_set_tfm(req, tfm);
skcipher_request_set_callback(req, 0, NULL, NULL);
@ -294,8 +292,7 @@ static int ceph_aes_decrypt(const void *key, int key_len,
struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher();
SKCIPHER_REQUEST_ON_STACK(req, tfm);
char pad[16];
int ivsize = AES_BLOCK_SIZE;
char iv[16];
char iv[AES_BLOCK_SIZE];
int ret;
int last_byte;
@ -310,7 +307,7 @@ static int ceph_aes_decrypt(const void *key, int key_len,
goto out_tfm;
crypto_skcipher_setkey((void *)tfm, key, key_len);
memcpy(iv, aes_iv, ivsize);
memcpy(iv, aes_iv, AES_BLOCK_SIZE);
skcipher_request_set_tfm(req, tfm);
skcipher_request_set_callback(req, 0, NULL, NULL);
@ -363,8 +360,7 @@ static int ceph_aes_decrypt2(const void *key, int key_len,
struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher();
SKCIPHER_REQUEST_ON_STACK(req, tfm);
char pad[16];
int ivsize = AES_BLOCK_SIZE;
char iv[ivsize];
char iv[AES_BLOCK_SIZE];
int ret;
int last_byte;
@ -380,7 +376,7 @@ static int ceph_aes_decrypt2(const void *key, int key_len,
goto out_tfm;
crypto_skcipher_setkey((void *)tfm, key, key_len);
memcpy(iv, aes_iv, ivsize);
memcpy(iv, aes_iv, AES_BLOCK_SIZE);
skcipher_request_set_tfm(req, tfm);
skcipher_request_set_callback(req, 0, NULL, NULL);