On Thu, Feb 28, 2019 at 5:55 AM Dan Carpenter <dan.carpenter@xxxxxxxxxx> 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.