Re: [PATCH -next] crypto: brcm - Fix some set-but-not-used warning

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On 2019/1/9 13:35, Raveendra Padasalagi wrote:
> Hi YueHaibing,
> 
> Please add below fixes tag in the commit message,
> Fixes: 9d12ba86f818 ("crypto: brcm - Add Broadcom SPU driver")
> 
> Otherwise patch looks good to me.

Ok, will send v2, Thanks.

> 
> -Raveendra
> 
> On Fri, Dec 28, 2018 at 9:07 AM YueHaibing <yuehaibing@xxxxxxxxxx> wrote:
>>
>> Fixes gcc '-Wunused-but-set-variable' warning:
>>
>> drivers/crypto/bcm/cipher.c: In function 'handle_ahash_req':
>> drivers/crypto/bcm/cipher.c:720:15: warning:
>>  variable 'chunk_start' set but not used [-Wunused-but-set-variable]
>>
>> drivers/crypto/bcm/cipher.c: In function 'spu_rx_callback':
>> drivers/crypto/bcm/cipher.c:1679:31: warning:
>>  variable 'areq' set but not used [-Wunused-but-set-variable]
>>
>> drivers/crypto/bcm/cipher.c:1678:22: warning:
>>  variable 'ctx' set but not used [-Wunused-but-set-variable]
>>
>> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
>> ---
>>  drivers/crypto/bcm/cipher.c | 6 +-----
>>  1 file changed, 1 insertion(+), 5 deletions(-)
>>
>> diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
>> index c9393ff..9a66c29 100644
>> --- a/drivers/crypto/bcm/cipher.c
>> +++ b/drivers/crypto/bcm/cipher.c
>> @@ -717,7 +717,7 @@ static int handle_ahash_req(struct iproc_reqctx_s *rctx)
>>          */
>>         unsigned int new_data_len;
>>
>> -       unsigned int chunk_start = 0;
>> +       unsigned int __maybe_unused chunk_start = 0;
>>         u32 db_size;     /* Length of data field, incl gcm and hash padding */
>>         int pad_len = 0; /* total pad len, including gcm, hash, stat padding */
>>         u32 data_pad_len = 0;   /* length of GCM/CCM padding */
>> @@ -1675,8 +1675,6 @@ static void spu_rx_callback(struct mbox_client *cl, void *msg)
>>         struct spu_hw *spu = &iproc_priv.spu;
>>         struct brcm_message *mssg = msg;
>>         struct iproc_reqctx_s *rctx;
>> -       struct iproc_ctx_s *ctx;
>> -       struct crypto_async_request *areq;
>>         int err = 0;
>>
>>         rctx = mssg->ctx;
>> @@ -1686,8 +1684,6 @@ static void spu_rx_callback(struct mbox_client *cl, void *msg)
>>                 err = -EFAULT;
>>                 goto cb_finish;
>>         }
>> -       areq = rctx->parent;
>> -       ctx = rctx->ctx;
>>
>>         /* process the SPU status */
>>         err = spu->spu_status_process(rctx->msg_buf.rx_stat);
>>
>>
>>
>>
>>
> 
> .
> 




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