On Wed, Mar 08, 2006 at 05:59:25PM -0500, Dave Jones wrote:
> On Thu, Mar 09, 2006 at 09:41:45AM +1100, Srihari Vijayaraghavan wrote:
> > command count: 1
> > input: ibmasm RSA I remote mouse as
> > /class/input/input2
> > input: ibmasm RSA I remote keyboard as
> > /class/input/input3
> > ibmasm remote responding to events on RSA card 0
> > command count: 2
> > ibmasm_exec_command:130 at 1141819512.780778
> > do_exec_command:107 at 1141819512.780787
> > respond to interrupt at 1141819512.782055
> > exec_next_command:150 at 1141819512.782094
> > finished interrupt at 1141819512.782103
> > command count: 1
> > Unable to handle kernel paging request at virtual
> > address 6b6b6b6b
>
> the problem is we do this..
>
> command_put(sp->current_command);
> exec_next_command(sp);
>
> command_put drops the refcount of the kobject in sp,
> which then gets freed in the .release (free_command)
> which ends up kfree'ing 'sp'.
>
> unsurprisingly, it goes bang the next time something
> tries to access it. (Ie the 2nd line above)
>
> It's totally busted.
I think there's a patch floating around somewhere to actually fix up
this driver so it works. Max, any ideas about this?
thanks,
greg k-h
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