From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Initialize on-stack modes with drm_mode_init() to guarantee
no stack garbage in the list head.
Based on the following cocci script, with manual fixups:
@decl@
identifier M;
expression E;
@@
- struct drm_display_mode M = E;
+ struct drm_display_mode M;
@@
identifier decl.M;
expression decl.E;
statement S, S1;
@@
struct drm_display_mode M;
... when != S
+ drm_mode_init(&M, &E);
+
S1
@@
expression decl.E;
@@
- &*E
+ E
Cc: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_hdmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 3196189429bc..30f879e68a2b 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -1218,7 +1218,7 @@ static int mtk_hdmi_bridge_mode_valid(struct drm_bridge *bridge,
if (next_bridge) {
struct drm_display_mode adjusted_mode;
- drm_mode_copy(&adjusted_mode, mode);
+ drm_mode_init(&adjusted_mode, mode);
if (!drm_bridge_chain_mode_fixup(next_bridge, mode,
&adjusted_mode))
return MODE_BAD;
--
2.34.1
