Re: [patch] thermal: spear13xx: checking for NULL instead of IS_ERR()

From: Viresh Kumar
Date: Wed Feb 29 2012 - 01:35:12 EST


On 2/29/2012 12:01 PM, Dan Carpenter wrote:
> thermal_zone_device_register() never returns NULL, on error it returns
> and ERR_PTR().
>
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c
> index 880bf28..7352cf8 100644
> --- a/drivers/thermal/spear_thermal.c
> +++ b/drivers/thermal/spear_thermal.c
> @@ -149,9 +149,9 @@ static int spear_thermal_probe(struct platform_device *pdev)
>
> spear_thermal = thermal_zone_device_register("spear_thermal", 0,
> stdev, &ops, 0, 0, 0, 0);
> - if (!spear_thermal) {
> + if (IS_ERR(spear_thermal)) {
> dev_err(&pdev->dev, "thermal zone device is NULL\n");
> - ret = -EINVAL;
> + ret = PTR_ERR(spear_thermal);
> goto disable_clk;
> }
>

Thanks.

Reviewed-by: Viresh Kumar <viresh.kumar@xxxxxx>

--
viresh
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