Re: [PATCH] Fix segfault when printing battery status

[Andrew Morton <akpm@linux-foundation.org>]

On Mon, 19 Nov 2007 14:09:51 +0300
Alexey Starikovskiy <aystarik@gmail.com> wrote:

> Rolf Eike Beer wrote:
> > Alexey Starikovskiy wrote:
> >   
> >> 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@sf-tec.de>
> >>>       
> >> Rolf, thanks for remainding.
> >>     
> >
> > Huh? This one is unrelated to the problem I reported two weeks ago...
> >
> > Eike
> >   
> You are second to send the same patch, first one I already acked.
> But it seems that Len did not pick it up yet.
> Look for "ACPI: Always return valid 'status' from 
> acpi_battery_get_property()"
> if interested...
> 

This fix is in Len's tree and was in his 2.6.24-rc3 pull request to
Linus.