linux-kernel - Re: [PATCH 00/15] cpufreq: initialize drivers .owner field with THIS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAK9yfHwZCBk5boyiak1FJ7WVJ+FxLjPk1Wa5eYbuZw8BaOV5jw@mail.gmail.com>
Date:	Wed, 31 Jul 2013 22:06:08 +0530
From:	Sachin Kamat <sachin.kamat@...aro.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	rjw@...k.pl, linaro-kernel@...ts.linaro.org, patches@...aro.org,
	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, arnd.bergmann@...aro.org
Subject: Re: [PATCH 00/15] cpufreq: initialize drivers .owner field with THIS_MODULE

Hi Viresh,

On 31 July 2013 19:49, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> CPUFreq core does following at multiple places:
> module_{get|put}(cpufreq_driver->owner)).
>
> This is done to make sure module doesn't get unloaded if it is currently in use.
> This will work only if the .owner field of cpufreq driver is initialized with a
> valid pointer.
>
> This field wasn't initialized for many cpufreq driver, lets initialize it with
> THIS_MODULE.


Isn't it possible to do this inside cpufreq_register_driver function
in a similar way as done for platform_driver_register [1].

[1] https://lkml.org/lkml/2013/5/25/5

-- 
With warm regards,
Sachin
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/