On 03/31/2016 11:05 AM, Chanwoo Choi wrote:
> +static int exynos_bus_target(struct device *dev, unsigned long *freq, u32 flags)
> +{
> + new_opp = devfreq_recommended_opp(dev, freq, flags);
> + if (IS_ERR_OR_NULL(new_opp)) {
> + dev_err(dev, "failed to get recommed opp instance\n");
s/recommed/recommended/
> + rcu_read_unlock();
> + return PTR_ERR(new_opp);
> + }
> +}
> +static int exynos_bus_probe(struct platform_device *pdev)
> +{
> + bus->devfreq = devm_devfreq_add_device(dev, profile, "simple_ondemand",
> + ondemand_data);
> + if (IS_ERR_OR_NULL(bus->devfreq)) {
> + dev_err(dev, "failed to add devfreq device\n");
> + return PTR_ERR(bus->devfreq);
> + }
> +}
You should use IS_ERR() instead of IS_ERR_OR_NULL(), since functions
of which the return value is being tested return only ERR_PTR() values.
IS_ERR_OR_NULL() suggest NULL values are possible and then constructs
like
if (IS_ERR_OR_NULL(result))
return PTR_ERR(result);
are not correct anyway.
--
Regards,
Sylwester
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