Return the return value of a function directly, instead of first saving it in a variable and then returning it. This change was made using the following semantic patch by coccinelle. @@ local idexpression ret; expression e; @@ -ret = +return e; -return ret; Signed-off-by: Srishti Sharma <srishtishar@xxxxxxxxx> --- drivers/staging/ccree/ssi_aead.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c index 5abe6b2..6bb98f7 100644 --- a/drivers/staging/ccree/ssi_aead.c +++ b/drivers/staging/ccree/ssi_aead.c @@ -651,17 +651,14 @@ 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; 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*/ @@ -2214,8 +2211,7 @@ 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); if (keylen < 4) @@ -2224,16 +2220,13 @@ 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); if (keylen < 4) @@ -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