On Fri, Jul 22, 2022 at 1:15 PM Daniel Latypov <dlatypov@xxxxxxxxxx> wrote: > > The real kfree() function will silently return when given a NULL. > So a user might reasonably think they can write the following code: > char *buffer = NULL; > if (param->use_buffer) buffer = kunit_kzalloc(test, 10, GFP_KERNEL); > ... > kunit_kfree(test, buffer); > > As-is, kunit_kfree() will mark the test as FAILED when buffer is NULL. > (And in earlier times, it would segfault). > > Let's match the semantics of kfree(). > > Suggested-by: David Gow <davidgow@xxxxxxxxxx> > Signed-off-by: Daniel Latypov <dlatypov@xxxxxxxxxx> Reviewed-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>