Re: minor GEOM disk API change coming
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On 21.06.2012 08:29, Kenneth D. Merry wrote:
> Fix a bug which causes a panic in daopen(). The panic is caused by
> a da(4) instance going away while GEOM is still probing it.
> =09
> In this case, the GEOM disk class instance has been created by
> disk_create(), and the taste of the disk is queued in the GEOM
> event queue.
> =09
> While that event is queued, the da(4) instance goes away. When the
> open call comes into the da(4) driver, it dereferences the freed
> (but non-NULL) peripheral pointer provided by GEOM, which results
> in a panic.
I think this situation is very specific for the GEOM_DISK class, and
this callback will be less useful for other classes.
Does g_cancel_event() cannot help you prevent tasting?
--=20
WBR, Andrey V. Elsukov
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