Re: [Bug][5.17-rc0] Between commits daadb3bd0e8d and 455e73a07f6e, the kernel stops loading on my devices.

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On Mon, Jan 24, 2022 at 06:00:24PM -0500, Len Brown wrote:
> Tested-by: Len Brown <len.brown@intelcom>
> 
> The typec_link_ports crash goes away w/ the 2nd patch.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=215529

That patch was already sent out:
https://lore.kernel.org/linux-usb/20220124090228.41396-3-heikki.krogerus@xxxxxxxxxxxxxxx/

thanks,

> On Fri, Jan 21, 2022 at 4:33 PM John Stultz <john.stultz@xxxxxxxxxx> wrote:
> >
> > On Thu, Jan 20, 2022 at 3:27 AM Heikki Krogerus
> > <heikki.krogerus@xxxxxxxxxxxxxxx> wrote:
> > > On Tue, Jan 18, 2022 at 03:12:10PM +0200, Heikki Krogerus wrote:
> > > > I can reproduce this one by simply not creating the component list in
> > > > the code. That function - component_master_add_with_match() - can't
> > > > handle situation where the list is empty. I'll prepare the fix.
> > >
> > > I'm again attaching the proposed fix, just to see if it also gets
> > > corrupted. Can you test does it fix this issue?
> > > You need to apply it on top of the previous one.
> >
> > We've been hitting the null pointer crash from
> > component_master_add_with_match() regression as well on the hikey960
> > board.
> >
> > The patch you attached resolves the issue. It would be great to see it
> > merged upstream soon!
> >
> > Tested-by: John Stultz <john.stultz@xxxxxxxxxx>
> >
> > thanks
> > -john
> 
> -- 
> Len Brown, Intel Open Source Technology Center

-- 
heikki



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