Re: [ 34/77] xen/blkback: Dont trust the handle from the frontend.

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>>> On 03.03.13 at 11:20, Paul Bolle <pebolle@xxxxxxxxxx> wrote:
> Perhaps Konrad, Jan, Or Ian can tell whether the patch still needs to go
> in stable as is, because the problem it fixes is more severe than the
> problem it apparently creates. Maybe a mainline fix is needed before
> this can go in, or perhaps even a stable specific fix (if context
> changes are to blame).

For one, a fix for the (indeed valid) compiler warning has been in
Konrad's tree for several days
(http://git.kernel.org/cgit/linux/kernel/git/konrad/xen.git/commit/drivers/block/xen-blkback/blkback.c?id=a72d9002f80bffd7e4c7d60e5a9caa0cddffe894).

And second, there's nothing really being fixed with the patch in
question here. The title is kind of misleading, as the handle
coming from the frontend is - without said patch - in the worst
case being used for the very message that triggered the
compiler warning. Nothing else is affected, the code just gave
the impression that the handle was used.

IOW I don't see why this got proposed for stable at all.

Jan


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