Quoting kbuild test robot (2017-06-15 16:23:12)
> drivers/gpu/drm/i915/i915_gem_execbuffer.c:300:2-7: WARNING: NULL check
> before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive
> or usb_free_urb is not needed. Maybe consider reorganizing relevant code to
> avoid passing
drivers/gpu/drm/i915/i915_gem_execbuffer.c:300:2-7: WARNING: NULL check before
freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or
usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid
passing NULL values.
NULL check before some freeing functions
