> The kunit_device_register() function returns error pointers, not NULL. > Passing an error pointer to get_device() will lead to an Oops. Also > get_device() returns the same device you passed to it. … How do you think about to convert this adjustment into a patch series with two update steps? https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.9-rc4#n81 Regards, Markus