On Thu, Feb 28, 2019 at 5:55 AM Dan Carpenter <dan.carpen...@oracle.com> wrote:
>
> On Thu, Feb 28, 2019 at 01:03:24AM -0800, Brendan Higgins wrote:
> > you could do:
> >
> > if (IS_ERR_OR_NULL(ptr)) {
> > KUNIT_FAIL(test, "ptr is an errno or null: %ld", ptr);
> > return;
> > }
>
> It's best to not mix error pointers and NULL but when we do mix them,
> it means that NULL is a special kind of success. Like we try to load
> a feature and we get back:
>
> valid pointer <-- success
> null <-- feature is disabled. not an error.
> error pointer <-- feature is broken. fail.
Thanks for pointing that out! Will fix.
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