Staging: ccree: Merge assignment with return

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

@@
local idexpression ret;
expression e;
@@

(quoted diff) +1 -2

-ret =
+return
     e;
-return ret;

Signed-off-by Srishti Sharma <[email protected]>

---
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(-)

drivers/staging/ccree/ssi_aead.c +3 -13

index 5abe6b2..84fcb75 100644
@@ -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

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