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* [PATCH] bus: mhi: replace snprintf in show functions with sysfs_emit
@ 2021-10-13  3:25 Qing Wang
  2021-10-14  2:14 ` Hemant Kumar
  2021-10-16  6:46 ` Manivannan Sadhasivam
  0 siblings, 2 replies; 3+ messages in thread
From: Qing Wang @ 2021-10-13  3:25 UTC (permalink / raw)
  To: Manivannan Sadhasivam, Hemant Kumar, linux-arm-msm, linux-kernel
  Cc: Qing Wang

coccicheck complains about the use of snprintf() in sysfs show functions.

Fix the following coccicheck warning:
drivers/bus/mhi/core/init.c:97:8-16: WARNING: use scnprintf or sprintf.

Use sysfs_emit instead of scnprintf or sprintf makes more sense.

Signed-off-by: Qing Wang <wangqing@vivo.com>
---
 drivers/bus/mhi/core/init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c
index c81b377..f3ddefe 100644
--- a/drivers/bus/mhi/core/init.c
+++ b/drivers/bus/mhi/core/init.c
@@ -94,7 +94,7 @@ static ssize_t serial_number_show(struct device *dev,
 	struct mhi_device *mhi_dev = to_mhi_device(dev);
 	struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;
 
-	return snprintf(buf, PAGE_SIZE, "Serial Number: %u\n",
+	return sysfs_emit(buf, "Serial Number: %u\n",
 			mhi_cntrl->serial_number);
 }
 static DEVICE_ATTR_RO(serial_number);
-- 
2.7.4


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

* Re: [PATCH] bus: mhi: replace snprintf in show functions with sysfs_emit
  2021-10-13  3:25 [PATCH] bus: mhi: replace snprintf in show functions with sysfs_emit Qing Wang
@ 2021-10-14  2:14 ` Hemant Kumar
  2021-10-16  6:46 ` Manivannan Sadhasivam
  1 sibling, 0 replies; 3+ messages in thread
From: Hemant Kumar @ 2021-10-14  2:14 UTC (permalink / raw)
  To: Qing Wang, Manivannan Sadhasivam, linux-arm-msm, linux-kernel



On 10/12/2021 8:25 PM, Qing Wang wrote:
> coccicheck complains about the use of snprintf() in sysfs show functions.
> 
> Fix the following coccicheck warning:
> drivers/bus/mhi/core/init.c:97:8-16: WARNING: use scnprintf or sprintf.
> 
> Use sysfs_emit instead of scnprintf or sprintf makes more sense.
> 
> Signed-off-by: Qing Wang <wangqing@vivo.com>
> ---
>   drivers/bus/mhi/core/init.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c
> index c81b377..f3ddefe 100644
> --- a/drivers/bus/mhi/core/init.c
> +++ b/drivers/bus/mhi/core/init.c
> @@ -94,7 +94,7 @@ static ssize_t serial_number_show(struct device *dev,
>   	struct mhi_device *mhi_dev = to_mhi_device(dev);
>   	struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;
>   
> -	return snprintf(buf, PAGE_SIZE, "Serial Number: %u\n",
> +	return sysfs_emit(buf, "Serial Number: %u\n",
>   			mhi_cntrl->serial_number);
>   }
>   static DEVICE_ATTR_RO(serial_number);
> 
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora 
Forum, a Linux Foundation Collaborative Project

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

* Re: [PATCH] bus: mhi: replace snprintf in show functions with sysfs_emit
  2021-10-13  3:25 [PATCH] bus: mhi: replace snprintf in show functions with sysfs_emit Qing Wang
  2021-10-14  2:14 ` Hemant Kumar
@ 2021-10-16  6:46 ` Manivannan Sadhasivam
  1 sibling, 0 replies; 3+ messages in thread
From: Manivannan Sadhasivam @ 2021-10-16  6:46 UTC (permalink / raw)
  To: Qing Wang
  Cc: Manivannan Sadhasivam, Hemant Kumar, linux-arm-msm, linux-kernel

On Tue, Oct 12, 2021 at 08:25:50PM -0700, Qing Wang wrote:
> coccicheck complains about the use of snprintf() in sysfs show functions.
> 
> Fix the following coccicheck warning:
> drivers/bus/mhi/core/init.c:97:8-16: WARNING: use scnprintf or sprintf.
> 
> Use sysfs_emit instead of scnprintf or sprintf makes more sense.
> 
> Signed-off-by: Qing Wang <wangqing@vivo.com>

Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>

Thanks,
Mani

> ---
>  drivers/bus/mhi/core/init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c
> index c81b377..f3ddefe 100644
> --- a/drivers/bus/mhi/core/init.c
> +++ b/drivers/bus/mhi/core/init.c
> @@ -94,7 +94,7 @@ static ssize_t serial_number_show(struct device *dev,
>  	struct mhi_device *mhi_dev = to_mhi_device(dev);
>  	struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;
>  
> -	return snprintf(buf, PAGE_SIZE, "Serial Number: %u\n",
> +	return sysfs_emit(buf, "Serial Number: %u\n",
>  			mhi_cntrl->serial_number);
>  }
>  static DEVICE_ATTR_RO(serial_number);
> -- 
> 2.7.4
> 

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

end of thread, other threads:[~2021-10-16  6:46 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-10-13  3:25 [PATCH] bus: mhi: replace snprintf in show functions with sysfs_emit Qing Wang
2021-10-14  2:14 ` Hemant Kumar
2021-10-16  6:46 ` Manivannan Sadhasivam

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