drm: silence variable 'conn' set but not used

[ Upstream commit bbb6fc43f1 ]

The "struct drm_connector" iteration cursor from
"for_each_new_connector_in_state" is never used in atomic_remove_fb()
which generates a compilation warning,

drivers/gpu/drm/drm_framebuffer.c: In function 'atomic_remove_fb':
drivers/gpu/drm/drm_framebuffer.c:838:24: warning: variable 'conn' set
but not used [-Wunused-but-set-variable]

Silence it by marking "conn" __maybe_unused.

Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1563822886-13570-1-git-send-email-cai@lca.pw
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Qian Cai
2019-07-22 15:14:46 -04:00
committed by Greg Kroah-Hartman
parent ec07fb3ec4
commit eeb571f643

View File

@@ -773,7 +773,7 @@ static int atomic_remove_fb(struct drm_framebuffer *fb)
struct drm_device *dev = fb->dev;
struct drm_atomic_state *state;
struct drm_plane *plane;
struct drm_connector *conn;
struct drm_connector *conn __maybe_unused;
struct drm_connector_state *conn_state;
int i, ret = 0;
unsigned plane_mask;