Re: [Xen-devel] Null-pointer access in netback_uevent

[Bastian Blank <waldi@xxxxxxxxxx>]

On Fri, May 28, 2010 at 10:47:48AM +1000, James Harper wrote:
> > > I noticed this just after I posted (subject "oops starting domain on 4.0.0
> > > + 2.6.32.13-gf6fe658"). I'm getting the same error.
> > Actually my error is occurring because 'be' is NULL in netback_uevent (eg
> > dev_get_drvdata returns NULL)
> Looking into this further, I suspect that the trigger here is a newer version 
> of udev or something in that area. netback_uevent is getting called before 
> the call to netback_probe containing the call to dev_set_drvdata.

There are two problems there. And yes, the uevent routine can be called
at any time.

Bastian

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