From: Caesar Wang <sasukewxt@163.com>
To: Eduardo Valentin <edubezval@gmail.com>, Caesar Wang <wxt@rock-chips.com>
Cc: heiko@sntech.de, linux-pm@vger.kernel.org,
briannorris@chromium.org, linux-kernel@vger.kernel.org,
smbarber@chromium.org, linux-rockchip@lists.infradead.org,
rui.zhang@intel.com
Subject: Re: [PATCH v3 4/5] thermal: rockchip: optimize the conversion table
Date: Mon, 12 Dec 2016 18:48:53 +0800 [thread overview]
Message-ID: <e5ee84e5-be67-36fa-1173-7d862c1ec26e@163.com> (raw)
In-Reply-To: <20161130062911.GB28498@localhost.localdomain>
在 2016年11月30日 14:29, Eduardo Valentin 写道:
> Hey,
>
> On Mon, Nov 28, 2016 at 07:12:03PM +0800, Caesar Wang wrote:
>
> <cut>
>
>> + num = abs(table->id[mid].code - table->id[mid + 1].code);
>> + num *= temp - table->id[mid].temp;
>> + denom = table->id[mid + 1].temp - table->id[mid].temp;
>
> isn't the above 'mid + 1' off-by-one when mid ends being == table.length - 1?
>
> You would be accessing table->id[table.length], which is wrong memory
> access, no?
Yup, that's indeed a real issue for me.
FIxes on next version.
Thanks.
-Caesar
>
>
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2016-12-12 10:48 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-28 11:11 [PATCH v3 0/5] thermal: fixes the rockchip thermal Caesar Wang
2016-11-28 11:12 ` [PATCH v3 3/5] thermal: rockchip: fixes invalid temperature case Caesar Wang
2016-11-28 18:47 ` Brian Norris
2016-11-29 1:45 ` Eduardo Valentin
[not found] ` <20161129014553.GA3097-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2016-11-29 21:57 ` Brian Norris
2016-11-30 5:02 ` Eduardo Valentin
2016-11-30 5:59 ` Brian Norris
2016-11-30 6:26 ` Eduardo Valentin
2016-12-12 10:46 ` Caesar Wang
[not found] ` <1480331524-18741-1-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2016-11-28 11:12 ` [PATCH v3 1/5] thermal: rockchip: improve conversion error messages Caesar Wang
2016-11-29 1:51 ` Eduardo Valentin
2016-11-29 5:47 ` Brian Norris
2016-11-30 5:04 ` Eduardo Valentin
2016-12-12 10:47 ` Caesar Wang
2016-11-28 11:12 ` [PATCH v3 2/5] thermal: rockchip: don't pass table structs by value Caesar Wang
2016-11-28 11:12 ` [PATCH v3 4/5] thermal: rockchip: optimize the conversion table Caesar Wang
2016-11-29 1:48 ` Eduardo Valentin
2016-11-30 6:29 ` Eduardo Valentin
2016-12-12 10:48 ` Caesar Wang [this message]
2016-11-28 11:12 ` [PATCH v3 5/5] thermal: rockchip: handle set_trips without the trip points Caesar Wang
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