On Wed, 20 Feb 2013, Tejun Heo wrote:
> Hello, Thomas.
>
> On Thu, Feb 21, 2013 at 12:01:07AM +0100, Thomas Gleixner wrote:
> > idr_find() should simply return NULL, if "id < 0". Is it that hard?
>
> It already does but w/ WARN_ON_ONCE(). The WARN_ON_ONCE() is there
> mostly as a transitional precaution. As the previous idr_find()
> behavior was extremely weird, just in case someone was depending on
> ignoring the msb for example, it would be nice to be able to identify
> the ones which are passing in negative ids, at least for a release
> cycle or two.
No objection, but please add this to the changelog and the comment.
Thanks,
tglx
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