Re: [BUG] disk_free_ptbl_rcu_cb() crash

From: Eric Dumazet
Date: Sun Oct 24 2010 - 02:44:45 EST


Le dimanche 24 octobre 2010 Ã 08:04 +0200, Jens Axboe a Ãcrit :
> On 2010-10-23 23:10, Eric Dumazet wrote:
> > Current Linus tree makes my machine crash in disk_free_ptbl_rcu_cb(),
> > while booting...
> >
> > commit 7681bfeeccff5ef seems the problem ?
> >
> > Following patch solves the NULL dereference, but this is only to show
> > you where the problem is, not a real fix, of course.
>
> Darn. Your fix is on the right path, you missed one though. I think it's
> cleaner to move this into the elevator helpers, so that the callers can
> remain clean.
>
> Can you verify that this works too?

Sure, I did right now and it works too, thanks !


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