Re: [PATCH -next] iio: imu: st_lsm6dsx: remove set but not used variables 'acc_sensor' and 'gyro_sensor'

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> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c: In function 'st_lsm6dsx_read_tagged_fifo':
> drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c:520:41: warning:
>  variable 'gyro_sensor' set but not used [-Wunused-but-set-variable]
> 
> drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c:520:28: warning:
>  variable 'acc_sensor' set but not used [-Wunused-but-set-variable]
> 
> They are not used since commit 14c7c6e1a860 ("iio: imu: st_lsm6dsx: add
> st_lsm6dsx_push_tagged_data routine")
> 
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>

Acked-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>

> ---
>  drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
> index 2da8c5ff699a..bd08711d5b75 100644
> --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
> +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
> @@ -517,7 +517,6 @@ int st_lsm6dsx_read_tagged_fifo(struct st_lsm6dsx_hw *hw)
>  {
>  	u16 pattern_len = hw->sip * ST_LSM6DSX_TAGGED_SAMPLE_SIZE;
>  	u16 fifo_len, fifo_diff_mask;
> -	struct st_lsm6dsx_sensor *acc_sensor, *gyro_sensor;
>  	u8 iio_buff[ST_LSM6DSX_IIO_BUFF_SIZE], tag;
>  	bool reset_ts = false;
>  	int i, err, read_len;
> @@ -539,9 +538,6 @@ int st_lsm6dsx_read_tagged_fifo(struct st_lsm6dsx_hw *hw)
>  	if (!fifo_len)
>  		return 0;
>  
> -	acc_sensor = iio_priv(hw->iio_devs[ST_LSM6DSX_ID_ACC]);
> -	gyro_sensor = iio_priv(hw->iio_devs[ST_LSM6DSX_ID_GYRO]);
> -
>  	for (read_len = 0; read_len < fifo_len; read_len += pattern_len) {
>  		err = st_lsm6dsx_read_block(hw,
>  					    ST_LSM6DSX_REG_FIFO_OUT_TAG_ADDR,
> 
> 
> 

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