Re: [PATCH] hwmon: (sht15): remove redundant check on status and send of status value

From: Guenter Roeck
Date: Mon Sep 18 2017 - 10:51:33 EST


On Mon, Sep 18, 2017 at 03:45:48PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> A previous commit removed bit or'ing into to the integer status
> so now status is now always zero. This means that the non-zero check on
> status and the sht15_send_status call will never occur; it is deadcode.
> Clean this up by removing the dead code.
>
> Detected by: CoverityScan CID#1456835 ("Logically dead code")
>
> Fixes: aa7ab80c578c ("hwmon: (sht15) Root out platform data")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Applied to hwmon-next.

Thanks,
Guenter

> ---
> drivers/hwmon/sht15.c | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
> index 0e3e5f83f5cf..25d28343ba93 100644
> --- a/drivers/hwmon/sht15.c
> +++ b/drivers/hwmon/sht15.c
> @@ -925,7 +925,6 @@ static int sht15_probe(struct platform_device *pdev)
> {
> int ret;
> struct sht15_data *data;
> - u8 status = 0;
>
> data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
> if (!data)
> @@ -1002,13 +1001,6 @@ static int sht15_probe(struct platform_device *pdev)
> if (ret)
> goto err_release_reg;
>
> - /* write status with platform data options */
> - if (status) {
> - ret = sht15_send_status(data, status);
> - if (ret)
> - goto err_release_reg;
> - }
> -
> ret = sysfs_create_group(&pdev->dev.kobj, &sht15_attr_group);
> if (ret) {
> dev_err(&pdev->dev, "sysfs create failed\n");
> --
> 2.14.1
>