On Thu, Mar 31, 2016 at 9:10 PM, Sylwester Nawrocki
<s.nawrocki@xxxxxxxxxxx> wrote:
> 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/
OK. I'll fix it.
>
>> + 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.
OK. I'll use IS_ERR() instead of IS_ERR_OR_NULL()
Thanks,
Chanwoo Choi
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