[PATCH v4] Staging: ccree: Merge assignment with return

From: Srishti Sharma
Date: Sat Sep 09 2017 - 03:49:16 EST


Merge the assignment and the return statements to return the value
directly. Done using coccinelle.

@@
local idexpression ret;
expression e;
@@

-ret =
+return
e;
-return ret;

Signed-off-by: Srishti Sharma <srishtishar@xxxxxxxxx>
---
Changes in v4:
-Edit commit message so that it respects 80 character limit
-Remove unneeded blank lines
-Remove declarations of variables that are not used

drivers/staging/ccree/ssi_aead.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c
index 5abe6b2..84fcb75 100644
--- a/drivers/staging/ccree/ssi_aead.c
+++ b/drivers/staging/ccree/ssi_aead.c
@@ -651,7 +651,6 @@ ssi_aead_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen)
static int ssi_rfc4309_ccm_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen)
{
struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm);
- int rc = 0;

if (keylen < 3)
return -EINVAL;
@@ -659,9 +658,7 @@ static int ssi_rfc4309_ccm_setkey(struct crypto_aead *tfm, const u8 *key, unsign
keylen -= 3;
memcpy(ctx->ctr_nonce, key + keylen, 3);

- rc = ssi_aead_setkey(tfm, key, keylen);
-
- return rc;
+ return ssi_aead_setkey(tfm, key, keylen);
}
#endif /*SSI_CC_HAS_AES_CCM*/

@@ -2214,7 +2211,6 @@ static int ssi_rfc4309_ccm_decrypt(struct aead_request *req)
static int ssi_rfc4106_gcm_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen)
{
struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm);
- int rc = 0;

SSI_LOG_DEBUG("%s() keylen %d, key %p\n", __func__, keylen, key);

@@ -2224,15 +2220,12 @@ static int ssi_rfc4106_gcm_setkey(struct crypto_aead *tfm, const u8 *key, unsign
keylen -= 4;
memcpy(ctx->ctr_nonce, key + keylen, 4);

- rc = ssi_aead_setkey(tfm, key, keylen);
-
- return rc;
+ return ssi_aead_setkey(tfm, key, keylen);
}

static int ssi_rfc4543_gcm_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen)
{
struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm);
- int rc = 0;

SSI_LOG_DEBUG("%s() keylen %d, key %p\n", __func__, keylen, key);

@@ -2242,9 +2235,7 @@ static int ssi_rfc4543_gcm_setkey(struct crypto_aead *tfm, const u8 *key, unsign
keylen -= 4;
memcpy(ctx->ctr_nonce, key + keylen, 4);

- rc = ssi_aead_setkey(tfm, key, keylen);
-
- return rc;
+ return ssi_aead_setkey(tfm, key, keylen);
}

static int ssi_gcm_setauthsize(struct crypto_aead *authenc,
--
2.7.4