Re: [PATCH 1/3] drm/meson: Fix an un-handled error path in 'meson_drv_bind_master()'

From: Neil Armstrong
Date: Tue Mar 13 2018 - 05:36:36 EST


On 12/03/2018 21:15, Christophe JAILLET wrote:
> 'drm_vblank_init()' can fail. So handle this (unlikely) error.
>
> Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> drivers/gpu/drm/meson/meson_drv.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
> index f9ad0e960263..02b0886debc0 100644
> --- a/drivers/gpu/drm/meson/meson_drv.c
> +++ b/drivers/gpu/drm/meson/meson_drv.c
> @@ -222,7 +222,10 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
>
> priv->vsync_irq = platform_get_irq(pdev, 0);
>
> - drm_vblank_init(drm, 1);
> + ret = drm_vblank_init(drm, 1);
> + if (ret)
> + goto free_drm;
> +
> drm_mode_config_init(drm);
> drm->mode_config.max_width = 3840;
> drm->mode_config.max_height = 2160;
>

Acked-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>

Thanks,
Neil