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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Jacob Shin <jacob.shin@amd.com>
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 21:53:15 +0530	[thread overview]
Message-ID: <CAKohpon6m0vX6_ZDrwUD-OBuD5WAysooJgYHSEXKstud3bh7Kw@mail.gmail.com> (raw)
In-Reply-To: <20130627162203.GB5324@jshin-Toonie>

On 27 June 2013 21:52, Jacob Shin <jacob.shin@amd.com> wrote:
> From 133f670aa1dc450fd37ba39081d046bf238c507b Mon Sep 17 00:00:00 2001
> From: Jacob Shin <jacob.shin@amd.com>
> Date: Thu, 27 Jun 2013 10:44:42 -0500
> Subject: [PATCH 1/1] cpufreq: don't leave stale policy pointer in
>  cdbs->cur_policy
>
> Set ->cur_policy to NULL when stopping a governor. Otherwise, the
> ->cur_policy pointer may be stale on systems that
> have_governor_per_policy when a new policy is allocated due to CPU
> hotplug offline/online.
>
> Suggested-by: Viresh Kumar <viresh.kumar@linaro.org>
> Signed-off-by: Jacob Shin <jacob.shin@amd.com>
> ---
>  drivers/cpufreq/cpufreq_governor.c |    1 +
>  1 file changed, 1 insertion(+)

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

  reply	other threads:[~2013-06-27 16:23 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 [this message]
2013-06-27 15:21                   ` Jacob Shin
2013-06-27 15:25                     ` Viresh Kumar

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