Re: [Xen-devel] [PATCH v3 1/2] xen/xenbus: reference count registered modules

[Jürgen Groß <jgross@xxxxxxxx>]

On 02.12.19 12:41, Paul Durrant wrote:
> To prevent a PV driver module being removed whilst attached to its other
> end, and hence xenbus calling into potentially invalid text, take a
> reference on the module before calling the probe() method (dropping it if
> unsuccessful) and drop the reference after returning from the remove()
> method.
>
> Suggested-by: Jan Beulich <jbeulich@xxxxxxxx>
> Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx>
Pushed to xen/tip.git for-linus-5.5b


Juergen

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