linux-kernel - Re: [PATCH] Fix segfault when printing battery status

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Message-ID: <47415B46.4020709@gmail.com>
Date:	Mon, 19 Nov 2007 12:45:42 +0300
From:	Alexey Starikovskiy <aystarik@...il.com>
To:	Rolf Eike Beer <eike-kernel@...tec.de>
CC:	lenb@...nel.org, linux-acpi@...r.kernel.org, astarikovskiy@...e.de,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Fix segfault when printing battery status


Rolf Eike Beer wrote:
> cat /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:19/PNP0C0A:00/power_supply/BAT1/status
>
> This leads to a stacktrace as acpi_battery_get_property() returns 0 for a 
> case where it does not set val->intval. These value is used as an array 
> index in drivers/power/power_supply_sysfs.c::power_supply_show_property(). 
> I had a situation where the value was 4096 which caused a problem as the 
> array only has 5 entries.
>
> Signed-off-by: Rolf Eike Beer <eike-kernel@...tec.de>
>   
Rolf, thanks for remainding.
Acked again,
Alex.
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