On Wed, Sep 30, 2020 at 08:11:52AM +0300, Dmitry Osipenko wrote: > 30.09.2020 03:30, Nicolin Chen пишет: > > + /* An invalid mc pointer means mc and smmu drivers are not ready */ > > + if (IS_ERR_OR_NULL(mc)) > > tegra_get_memory_controller() doesn't return NULL. Well, I don't want to assume that it'd do that forever, and the NULL check of IS_ERR_OR_NULL is marked "unlikely" so it doesn't hurt to have.
