Artificially use 'plane' and 'old_plane_state' to avoid 'not used' warning.
The precedent has already been set by other macros in the same file.
Acked-by: Daniel Vetter <[email protected]>
Signed-off-by: Liu Ying <[email protected]>
---
v7->v8:
* No change.
v6->v7:
* No change.
v5->v6:
* Fix commit message typo - s/Artifically/Artificially/
v4->v5:
* No change.
v3->v4:
* Add Daniel's A-b tag.
v2->v3:
* Add a missing blank line.
v1->v2:
* No change.
include/drm/drm_atomic.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index ac5a28e..76d8dee 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -912,7 +912,10 @@ 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