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From: Jacob Shin <jacob.shin@amd.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Tim Gardner <tim.gardner@canonical.com>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	LKML <linux-kernel@vger.kernel.org>, <cpufreq@vger.kernel.org>,
	<linux-pm@vger.kernel.org>
Subject: Re: od_set_powersave_bias: NULL pointer dereference
Date: Thu, 27 Jun 2013 10:21:43 -0500	[thread overview]
Message-ID: <20130627152143.GA5324@jshin-Toonie> (raw)
In-Reply-To: <CAKohpomSNGn1wTzbCxpHN5fu2L6mJ1fnhvt2uLBWLgQE8fS6Rg@mail.gmail.com>

On Thu, Jun 27, 2013 at 08:39:12PM +0530, Viresh Kumar wrote:
> On 27 June 2013 20:25, Jacob Shin <jacob.shin@amd.com> wrote:
> > diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
> > index 4b9bb5d..93eb5cb 100644
> > --- a/drivers/cpufreq/cpufreq_ondemand.c
> > +++ b/drivers/cpufreq/cpufreq_ondemand.c
> > @@ -47,6 +47,8 @@ static struct od_ops od_ops;
> >  static struct cpufreq_governor cpufreq_gov_ondemand;
> >  #endif
> >
> > +static unsigned int default_powersave_bias;
>
> Why are the above three changes required? And in case they are, then
> they must have been commited separately.
> 
> Because you haven't replied to my earlier comment on this, I
> thought you agreed. But it looks you haven't read my first
> reply well.

Sorry I totally missed it,

I was trying to account for the case when od_set_powersave_bias() is
called while ondemand is not the current governor. And then later
becomes the current governor. So when od_init() is called it will take
the expected default, rather than 0.


  parent reply	other threads:[~2013-06-27 15:21 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-24 16:59 od_set_powersave_bias: NULL pointer dereference Tim Gardner
2013-06-25  6:56 ` Viresh Kumar
2013-06-25 16:19   ` Jacob Shin
2013-06-25 18:41     ` Tim Gardner
2013-06-25 22:39       ` Rafael J. Wysocki
2013-06-26  6:48     ` Viresh Kumar
2013-06-26 14:28       ` Jacob Shin
2013-06-26 14:32         ` Viresh Kumar
2013-06-26 14:35           ` Jacob Shin
2013-06-26 17:57           ` Jacob Shin
2013-06-27  7:02             ` Viresh Kumar
2013-06-27 14:55               ` Jacob Shin
2013-06-27 15:09                 ` Viresh Kumar
2013-06-27 15:20                   ` Viresh Kumar
2013-06-27 16:22                     ` Jacob Shin
2013-06-27 16:23                       ` Viresh Kumar
2013-06-27 15:21                   ` Jacob Shin [this message]
2013-06-27 15:25                     ` Viresh Kumar

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