On Fri, 6 Mar 2015, Alexey Khoroshilov wrote: > class_create() returns ERR_PTR on failure, > so IS_ERR() should be used instead of check for NULL. >> Found by Linux Driver Verification project (linuxtesting.org). >> Signed-off-by: Alexey Khoroshilov <khoroshilov at ispras.ru> Thanks for the fix. Acked-by: Keith Busch <keith.busch at intel.com>