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From: Joerg Roedel <joro@8bytes.org>
To: zhong jiang <zhongjiang@huawei.com>
Cc: davem@davemloft.net, herbert@gondor.apana.org.au,
	arno@natisbad.org, gregkh@linuxfoundation.org,
	iommu@lists.linux-foundation.org, linux-crypto@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] iommu/pamu: Use kzfree rather than its implementation
Date: Wed, 4 Sep 2019 10:15:17 +0200	[thread overview]
Message-ID: <20190904081517.GA29855@8bytes.org> (raw)
In-Reply-To: <1567566079-7412-3-git-send-email-zhongjiang@huawei.com>

On Wed, Sep 04, 2019 at 11:01:18AM +0800, zhong jiang wrote:
> Use kzfree instead of memset() + kfree().
> 
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
>  drivers/iommu/fsl_pamu.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c
> index cde281b..ca6d147 100644
> --- a/drivers/iommu/fsl_pamu.c
> +++ b/drivers/iommu/fsl_pamu.c
> @@ -1174,10 +1174,8 @@ static int fsl_pamu_probe(struct platform_device *pdev)
>  	if (irq != NO_IRQ)
>  		free_irq(irq, data);
>  
> -	if (data) {
> -		memset(data, 0, sizeof(struct pamu_isr_data));
> -		kfree(data);
> -	}
> +	if (data)
> +		kzfree(data);

kzfree() is doing its own NULL-ptr check, no need to do it here.

Regards,

	Joerg

WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: zhong jiang <zhongjiang@huawei.com>
Cc: herbert@gondor.apana.org.au, gregkh@linuxfoundation.org,
	arno@natisbad.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org, linux-crypto@vger.kernel.org,
	davem@davemloft.net
Subject: Re: [PATCH 2/3] iommu/pamu: Use kzfree rather than its implementation
Date: Wed, 4 Sep 2019 10:15:17 +0200	[thread overview]
Message-ID: <20190904081517.GA29855@8bytes.org> (raw)
In-Reply-To: <1567566079-7412-3-git-send-email-zhongjiang@huawei.com>

On Wed, Sep 04, 2019 at 11:01:18AM +0800, zhong jiang wrote:
> Use kzfree instead of memset() + kfree().
> 
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
>  drivers/iommu/fsl_pamu.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c
> index cde281b..ca6d147 100644
> --- a/drivers/iommu/fsl_pamu.c
> +++ b/drivers/iommu/fsl_pamu.c
> @@ -1174,10 +1174,8 @@ static int fsl_pamu_probe(struct platform_device *pdev)
>  	if (irq != NO_IRQ)
>  		free_irq(irq, data);
>  
> -	if (data) {
> -		memset(data, 0, sizeof(struct pamu_isr_data));
> -		kfree(data);
> -	}
> +	if (data)
> +		kzfree(data);

kzfree() is doing its own NULL-ptr check, no need to do it here.

Regards,

	Joerg
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

  reply	other threads:[~2019-09-04  8:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-04  3:01 [PATCH 0/3] Use kzfree instead of memset() + kfree() zhong jiang
2019-09-04  3:01 ` zhong jiang
2019-09-04  3:01 ` [PATCH 1/3] crypto: marvell: Use kzfree rather than its implementation zhong jiang
2019-09-04  3:01   ` zhong jiang
2019-09-09  7:53   ` Herbert Xu
2019-09-09  7:53     ` Herbert Xu
2019-09-04  3:01 ` [PATCH 2/3] iommu/pamu: " zhong jiang
2019-09-04  3:01   ` zhong jiang
2019-09-04  8:15   ` Joerg Roedel [this message]
2019-09-04  8:15     ` Joerg Roedel
2019-09-04  9:38     ` zhong jiang
2019-09-04  9:38       ` zhong jiang
2019-09-04  3:01 ` [PATCH 3/3] Staging: rtl8723bs: " zhong jiang
2019-09-04  3:01   ` zhong jiang

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