The drm_connector_helper_funcs .get_modes() hooks are not supposed to return negative error codes. Some do, but they're not checked, and could lead to mysterious errors. Fix this all over the place. BR, Jani. Jani Nikula (8): drm/probe-helper: warn about negative .get_modes() drm/panel: do not return negative error codes from drm_panel_get_modes() drm/exynos: do not return negative values from .get_modes() drm/bridge: lt8912b: do not return negative values from .get_modes() drm/imx/ipuv3: do not return negative values from .get_modes() drm/vc4: hdmi: do not return negative values from .get_modes() drm/bridge: lt9611uxc: use int for holding number of modes drm/exynos: simplify the return value handling in exynos_dp_get_modes() drivers/gpu/drm/bridge/lontium-lt8912b.c | 16 +++++++--------- drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 2 +- drivers/gpu/drm/drm_panel.c | 17 +++++++++++------ drivers/gpu/drm/drm_probe_helper.c | 7 +++++++ drivers/gpu/drm/exynos/exynos_dp.c | 7 +++---- drivers/gpu/drm/exynos/exynos_drm_vidi.c | 4 ++-- drivers/gpu/drm/exynos/exynos_hdmi.c | 4 ++-- drivers/gpu/drm/imx/ipuv3/parallel-display.c | 4 ++-- drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +- include/drm/drm_modeset_helper_vtables.h | 3 ++- 10 files changed, 38 insertions(+), 28 deletions(-) -- 2.39.2