linux-kselftest-kunit-5.19-rc1 This KUnit update for Linux 5.19-rc1 consists of several fixes, cleanups, and enhancements to tests and framework: - introduces _NULL and _NOT_NULL macros to pointer error checks - reworks kunit_resource allocation policy to fix memory leaks when caller doesn't specify free() function to be used when allocating memory using kunit_add_resource() and kunit_alloc_resource() funcs. - adds ability to specify suite-level init and exit functions