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* [PATCH v2] ixgbe: Use memset_explicit directly in crypto cases
@ 2019-09-17  3:45 zhong jiang
  2019-09-17  9:59 ` Sergei Shtylyov
  0 siblings, 1 reply; 3+ messages in thread
From: zhong jiang @ 2019-09-17  3:45 UTC (permalink / raw)
  To: jakub.kicinski, davem
  Cc: anna.schumaker, trond.myklebust, netdev, linux-kernel, zhongjiang

It's better to use memset_explicit() to replace memset() in crypto cases.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
index 31629fc..7e4f32f 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
@@ -960,10 +960,10 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
 	return 0;
 
 err_aead:
-	memset(xs->aead, 0, sizeof(*xs->aead));
+	memzero_explicit(xs->aead, sizeof(*xs->aead));
 	kfree(xs->aead);
 err_xs:
-	memset(xs, 0, sizeof(*xs));
+	memzero_explicit(xs, sizeof(*xs));
 	kfree(xs);
 err_out:
 	msgbuf[1] = err;
@@ -1049,7 +1049,7 @@ int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
 	ixgbe_ipsec_del_sa(xs);
 
 	/* remove the xs that was made-up in the add request */
-	memset(xs, 0, sizeof(*xs));
+	memzero_explicit(xs, sizeof(*xs));
 	kfree(xs);
 
 	return 0;
-- 
1.7.12.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH v2] ixgbe: Use memset_explicit directly in crypto cases
  2019-09-17  3:45 [PATCH v2] ixgbe: Use memset_explicit directly in crypto cases zhong jiang
@ 2019-09-17  9:59 ` Sergei Shtylyov
  2019-09-17 13:41   ` zhong jiang
  0 siblings, 1 reply; 3+ messages in thread
From: Sergei Shtylyov @ 2019-09-17  9:59 UTC (permalink / raw)
  To: zhong jiang, jakub.kicinski, davem
  Cc: anna.schumaker, trond.myklebust, netdev, linux-kernel

Hello!

On 17.09.2019 6:45, zhong jiang wrote:

> It's better to use memset_explicit() to replace memset() in crypto cases.

    But you're using memzero_explicit() below?

> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
>   drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
> index 31629fc..7e4f32f 100644
> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
> @@ -960,10 +960,10 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
>   	return 0;
>   
>   err_aead:
> -	memset(xs->aead, 0, sizeof(*xs->aead));
> +	memzero_explicit(xs->aead, sizeof(*xs->aead));
>   	kfree(xs->aead);
>   err_xs:
> -	memset(xs, 0, sizeof(*xs));
> +	memzero_explicit(xs, sizeof(*xs));
>   	kfree(xs);
>   err_out:
>   	msgbuf[1] = err;
> @@ -1049,7 +1049,7 @@ int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
>   	ixgbe_ipsec_del_sa(xs);
>   
>   	/* remove the xs that was made-up in the add request */
> -	memset(xs, 0, sizeof(*xs));
> +	memzero_explicit(xs, sizeof(*xs));
>   	kfree(xs);
>   
>   	return 0;

MBR, Sergei

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v2] ixgbe: Use memset_explicit directly in crypto cases
  2019-09-17  9:59 ` Sergei Shtylyov
@ 2019-09-17 13:41   ` zhong jiang
  0 siblings, 0 replies; 3+ messages in thread
From: zhong jiang @ 2019-09-17 13:41 UTC (permalink / raw)
  To: Sergei Shtylyov
  Cc: jakub.kicinski, davem, anna.schumaker, trond.myklebust, netdev,
	linux-kernel

On 2019/9/17 17:59, Sergei Shtylyov wrote:
> Hello!
>
> On 17.09.2019 6:45, zhong jiang wrote:
>
>> It's better to use memset_explicit() to replace memset() in crypto cases.
>
>    But you're using memzero_explicit() below?
Sorry, stupid Oops. I will repost.  Thank for your reminder.

Sincerely,
zhong jiang
>
>> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
>> ---
>>   drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 6 +++---
>>   1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
>> index 31629fc..7e4f32f 100644
>> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
>> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
>> @@ -960,10 +960,10 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
>>       return 0;
>>     err_aead:
>> -    memset(xs->aead, 0, sizeof(*xs->aead));
>> +    memzero_explicit(xs->aead, sizeof(*xs->aead));
>>       kfree(xs->aead);
>>   err_xs:
>> -    memset(xs, 0, sizeof(*xs));
>> +    memzero_explicit(xs, sizeof(*xs));
>>       kfree(xs);
>>   err_out:
>>       msgbuf[1] = err;
>> @@ -1049,7 +1049,7 @@ int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
>>       ixgbe_ipsec_del_sa(xs);
>>         /* remove the xs that was made-up in the add request */
>> -    memset(xs, 0, sizeof(*xs));
>> +    memzero_explicit(xs, sizeof(*xs));
>>       kfree(xs);
>>         return 0;
>
> MBR, Sergei
>
> .
>



^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-09-17 13:41 UTC | newest]

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2019-09-17  3:45 [PATCH v2] ixgbe: Use memset_explicit directly in crypto cases zhong jiang
2019-09-17  9:59 ` Sergei Shtylyov
2019-09-17 13:41   ` zhong jiang

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