[Intel-gfx] [PATCH 1/3] drm: Hold mode_config.lock to prevent hotplug whilst setting up crtcs

[Jani Nikula]

On Wed, 23 Nov 2016, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> +#define drm_fb_helper_for_each_connector(fbh, i__) \
> +	for (({lockdep_assert_held(&(fbh)->dev->mode_config.mutex); 1;}), \
> +	     i__ = 0; i__ < (fbh)->connector_count; i__++)

No comments on the substance, but just curious, why is that "1;"
required there? Or is it?

BR,
Jani.

-- 
Jani Nikula, Intel Open Source Technology Center