Re: Possible bug in keyboard.c (2.6.10)

[Vojtech Pavlik]

On Sat, Jan 29, 2005 at 06:35:59PM -0500, Dmitry Torokhov wrote:
> On Saturday 29 January 2005 06:25, Vojtech Pavlik wrote:
> > On Sat, Jan 29, 2005 at 04:50:55AM +0000, Al Viro wrote:
> > 
> > > > I'm very sorry about the locking, but the thing grew up in times of
> > > > kernel 2.0, which didn't require any locking. There are a few possible
> > > 
> > > Incorrect.  You have blocking allocations in critical areas and they
> > > required locking all way back.
> > 
> > Ok. I see a problem where input_register_device() calls input handler
> > connect methods, which do kmalloc(). This would be bad even on 2.0.
> > 
> > Anything else? I believe the ->open()/->release() methods are still
> > protected.
> > 
> 
> evdev, tsdev, mousedev, joydev need to protect their client lists because
> interrupt could try to deliver event to already deleted device (client)

Oh, of course. The protection doesn't apply to the event routine.

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR
-
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/