Re: [PATCH] Fix segfault when printing battery status

From: Andrew Morton
Date: Mon Nov 26 2007 - 17:26:21 EST


On Mon, 19 Nov 2007 14:09:51 +0300
Alexey Starikovskiy <aystarik@xxxxxxxxx> 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@xxxxxxxxx>
> >>>
> >> 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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/