This patch adds robust error handling to the meson_plane_create
function in drivers/gpu/drm/meson/meson_plane.c. The function
previously lacked proper handling for potential failure scenarios
of the drm_universal_plane_init call.
Signed-off-by: Haoran Liu <liuhaoran14@xxxxxxx>
---
drivers/gpu/drm/meson/meson_plane.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c
index 815dfe30492b..67b36398f146 100644
--- a/drivers/gpu/drm/meson/meson_plane.c
+++ b/drivers/gpu/drm/meson/meson_plane.c
@@ -534,6 +534,7 @@ int meson_plane_create(struct meson_drm *priv)
struct meson_plane *meson_plane;
struct drm_plane *plane;
const uint64_t *format_modifiers = format_modifiers_default;
+ int ret;
meson_plane = devm_kzalloc(priv->drm->dev, sizeof(*meson_plane),
GFP_KERNEL);
@@ -548,12 +549,16 @@ int meson_plane_create(struct meson_drm *priv)
else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
format_modifiers = format_modifiers_afbc_g12a;
- drm_universal_plane_init(priv->drm, plane, 0xFF,
+ ret = drm_universal_plane_init(priv->drm, plane, 0xFF,
&meson_plane_funcs,
supported_drm_formats,
ARRAY_SIZE(supported_drm_formats),
format_modifiers,
DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane");
+ if (ret) {
+ devm_kfree(priv->drm->dev, meson_plane);
+ return ret;
+ }
drm_plane_helper_add(plane, &meson_plane_helper_funcs);
--
2.17.1
