Re: [PATCH RESEND] cpufreq: Use list_is_last() to check last entry of the policy list

From: Rafael J. Wysocki
Date: Wed Jan 27 2016 - 17:54:53 EST


On Wednesday, January 27, 2016 12:06:11 PM Viresh Kumar wrote:
> On 27-01-16, 12:02, Gautham R. Shenoy wrote:
> > Currently next_policy() explicitly checks if a policy is the last
> > policy in the cpufreq_policy_list. Use the standard list_is_last
> > primitive instead.
> >
> > Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> > Signed-off-by: Gautham R. Shenoy <ego@xxxxxxxxxxxxxxxxxx>
> > ---
> > The earlier version one was based on an Juri's experimental branch.
> > I have based this one on linux-pm.git linux-next branch.
> >
> > drivers/cpufreq/cpufreq.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> > index c35e7da..e979ec7 100644
> > --- a/drivers/cpufreq/cpufreq.c
> > +++ b/drivers/cpufreq/cpufreq.c
> > @@ -48,11 +48,11 @@ static struct cpufreq_policy *next_policy(struct cpufreq_policy *policy,
> > bool active)
> > {
> > do {
> > - policy = list_next_entry(policy, policy_list);
> > -
> > /* No more policies in the list */
> > - if (&policy->policy_list == &cpufreq_policy_list)
> > + if (list_is_last(&policy->policy_list, &cpufreq_policy_list))
> > return NULL;
> > +
> > + policy = list_next_entry(policy, policy_list);
> > } while (!suitable_policy(policy, active));
> >
> > return policy;
>
> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

Applied, thanks!

Rafael