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    Subject[PATCH 1/3] drm/meson: Fix an un-handled error path in 'meson_drv_bind_master()'
    Date
    '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@wanadoo.fr>
    ---
    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;
    --
    2.14.1

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