linux-kernel - Re: [PATCH] PM / devfreq: Use freq_table for available

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] [day] [month] [year] [list]

Date:	Mon, 14 Apr 2014 22:16:10 -0700
From:	Saravana Kannan <skannan@...eaurora.org>
To:	myungjoo.ham@...sung.com
CC:	박경민 <kyungmin.park@...sung.com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] PM / devfreq: Use freq_table for available_frequencies

On 04/14/2014 06:36 PM, 함명주 wrote:
>> MyungJoo/Kyungmin,
>>
>> Bump. Can we accept this patch please?
>>
>> -Saravana
> 
> Nack.
> 
> Please note that freq_table is also an optional value, which may
> be null.

Ah, I saw that the max_freq would be zero if freq_table was NULL and I
assumed that it can't be NULL. But I see that the max_freq limit is not
applied if it's zero. Thanks for catching it.

> Besides, please be aware that your code is under rcu_read_lock().

Valid point. I was just trying to keep the diff simple. No one's really
going to be catting this file often when performance matters.

> 
> 
> Cheers,
> MyungJoo.
> 
> ps. I'll send a related patch (avoid accessing null but not-an-error
> pointer at other sysfs nodes). Thank you for letting me catch such bugs anyway.

I can go ahead and do this myself if you don't mind.

-Saravana

-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
--
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/