Re: [PATCH 20/25] HID: hid-sensor-custom: Remove unused variable 'ret'

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On Fri, 26 Mar 2021 14:34:53 +0000
Lee Jones <lee.jones@xxxxxxxxxx> wrote:

> Fixes the following W=1 kernel build warning(s):
> 
>  drivers/hid/hid-sensor-custom.c: In function ‘store_value’:
>  drivers/hid/hid-sensor-custom.c:400:7: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> 
> Cc: Jiri Kosina <jikos@xxxxxxxxxx>
> Cc: Jonathan Cameron <jic23@xxxxxxxxxx>
> Cc: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> Cc: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
> Cc: linux-input@xxxxxxxxxxxxxxx
> Cc: linux-iio@xxxxxxxxxxxxxxx
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> ---
>  drivers/hid/hid-sensor-custom.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/hid/hid-sensor-custom.c b/drivers/hid/hid-sensor-custom.c
> index 2628bc53ed809..2e6662173a79c 100644
> --- a/drivers/hid/hid-sensor-custom.c
> +++ b/drivers/hid/hid-sensor-custom.c
> @@ -397,15 +397,14 @@ static ssize_t store_value(struct device *dev, struct device_attribute *attr,
>  
>  	if (!strncmp(name, "value", strlen("value"))) {
>  		u32 report_id;
> -		int ret;
>  
>  		if (kstrtoint(buf, 0, &value) != 0)
>  			return -EINVAL;
>  
>  		report_id = sensor_inst->fields[field_index].attribute.
>  								report_id;
> -		ret = sensor_hub_set_feature(sensor_inst->hsdev, report_id,
> -					     index, sizeof(value), &value);
> +		sensor_hub_set_feature(sensor_inst->hsdev, report_id,
> +				       index, sizeof(value), &value);
>  	} else
>  		return -EINVAL;
>  




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