Artifically use 'plane' and 'old_plane_state' to avoid 'not used' warning. The precedent has already been set by other macros in the same file. Signed-off-by: Liu Ying <victor.liu@xxxxxxx> --- v1->v2: * No change. include/drm/drm_atomic.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index 54e051a..9da1e35a3 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -888,7 +888,9 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p); (__i)++) \ for_each_if ((__state)->planes[__i].ptr && \ ((plane) = (__state)->planes[__i].ptr, \ - (old_plane_state) = (__state)->planes[__i].old_state, 1)) + (void)(plane) /* Only to avoid unused-but-set-variable warning */, \ + (old_plane_state) = (__state)->planes[__i].old_state, \ + (void)(old_plane_state) /* Only to avoid unused-but-set-variable warning */, 1)) /** * for_each_new_plane_in_state - iterate over all planes in an atomic update * @__state: &struct drm_atomic_state pointer -- 2.7.4
