Re: [Ksummit-discuss] [TECH TOPIC] Fix devm_kzalloc, its users, or both

[Mark Brown <broonie@kernel.org>]

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On Fri, Aug 21, 2015 at 11:05:19AM -0700, Dmitry Torokhov wrote:
> On Fri, Aug 21, 2015 at 10:52 AM, Mark Brown <broonie@kernel.org> wrote:

> > More specifically: the managed operations are guaranteed to be run in
> > reverse order so so long as the resources used by the managed input
> > device are also managed we're supposed to be fine.

> That only works if _all_ resources are managed. Here we have an
> example of non-managed operations (such as detaching device from a
> power domain) in the middle of managed ones. And so the ordering gets
> broken.

Right, we need to ensure that managed resources don't depend on
resources that aren't managed (either directly or indirectly by being
handled by some callback which is managed).

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