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* [PATCH v3] Staging: ccree: Merge assignment with return
@ 2017-09-08 21:54 Srishti Sharma
  2017-09-09  6:56 ` [Outreachy kernel] " Julia Lawall
  0 siblings, 1 reply; 3+ messages in thread
From: Srishti Sharma @ 2017-09-08 21:54 UTC (permalink / raw)
  To: gilad
  Cc: devel, gregkh, driverdev-devel, linux-kernel, outreachy-kernel,
	Srishti Sharma, linux-crypto

Merge the assignment and 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@gmail.com>
---
Changes in v3:
 -Edit commit message so that it respects 80 character limit.
 -Remove unneeded blank lines, that were added by mistake.

 drivers/staging/ccree/ssi_aead.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c
index 5abe6b2..1d3b580 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*/

@@ -2224,15 +2221,12 @@ 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 +2236,7 @@ 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

^ permalink raw reply related	[flat|nested] 3+ messages in thread
* Re: [Outreachy kernel] [PATCH v3] Staging: ccree: Merge assignment with return
  2017-09-08 21:54 [PATCH v3] Staging: ccree: Merge assignment with return Srishti Sharma
@ 2017-09-09  6:56 ` Julia Lawall
  2017-09-09  8:35   ` Srishti Sharma
  0 siblings, 1 reply; 3+ messages in thread
From: Julia Lawall @ 2017-09-09  6:56 UTC (permalink / raw)
  To: Srishti Sharma
  Cc: gilad, gregkh, linux-crypto, driverdev-devel, devel,
	linux-kernel, outreachy-kernel



On Sat, 9 Sep 2017, Srishti Sharma wrote:

> Merge the assignment and 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@gmail.com>
> ---
> Changes in v3:
>  -Edit commit message so that it respects 80 character limit.
>  -Remove unneeded blank lines, that were added by mistake.
>
>  drivers/staging/ccree/ssi_aead.c | 14 +++-----------
>  1 file changed, 3 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c
> index 5abe6b2..1d3b580 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*/
>
> @@ -2224,15 +2221,12 @@ 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);

The declaration of rc should be dropped in this case.  You should have
gotten a compiler warning.  Always compile the code before submitting a
patch, and fix up any warnings.

julia

>  }
>
>  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 +2236,7 @@ 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
>
> --
> You received this message because you are subscribed to the Google Groups "outreachy-kernel" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com.
> To post to this group, send email to outreachy-kernel@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/outreachy-kernel/1504907654-4914-1-git-send-email-srishtishar%40gmail.com.
> For more options, visit https://groups.google.com/d/optout.
>

^ permalink raw reply	[flat|nested] 3+ messages in thread
* Re: [Outreachy kernel] [PATCH v3] Staging: ccree: Merge assignment with return
  2017-09-09  6:56 ` [Outreachy kernel] " Julia Lawall
@ 2017-09-09  8:35   ` Srishti Sharma
  0 siblings, 0 replies; 3+ messages in thread
From: Srishti Sharma @ 2017-09-09  8:35 UTC (permalink / raw)
  To: Julia Lawall
  Cc: devel, outreachy-kernel, Greg KH, driverdev-devel,
	Linux kernel mailing list, Linux Crypto Mailing List

On Sat, Sep 9, 2017 at 12:26 PM, Julia Lawall <julia.lawall@lip6.fr> wrote:
>
>
> On Sat, 9 Sep 2017, Srishti Sharma wrote:
>
>> Merge the assignment and 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@gmail.com>
>> ---
>> Changes in v3:
>>  -Edit commit message so that it respects 80 character limit.
>>  -Remove unneeded blank lines, that were added by mistake.
>>
>>  drivers/staging/ccree/ssi_aead.c | 14 +++-----------
>>  1 file changed, 3 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c
>> index 5abe6b2..1d3b580 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*/
>>
>> @@ -2224,15 +2221,12 @@ 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);
>
> The declaration of rc should be dropped in this case.  You should have
> gotten a compiler warning.  Always compile the code before submitting a
> patch, and fix up any warnings.

I am very sorry about that, I have re-sent it.

Regards,
Srishti

> julia
>
>>  }
>>
>>  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 +2236,7 @@ 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
>>
>> --
>> You received this message because you are subscribed to the Google Groups "outreachy-kernel" group.
>> To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com.
>> To post to this group, send email to outreachy-kernel@googlegroups.com.
>> To view this discussion on the web visit https://groups.google.com/d/msgid/outreachy-kernel/1504907654-4914-1-git-send-email-srishtishar%40gmail.com.
>> For more options, visit https://groups.google.com/d/optout.
>>

^ permalink raw reply	[flat|nested] 3+ messages in thread
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2017-09-08 21:54 [PATCH v3] Staging: ccree: Merge assignment with return Srishti Sharma
2017-09-09  6:56 ` [Outreachy kernel] " Julia Lawall
2017-09-09  8:35   ` Srishti Sharma

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