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drm/meson: Fix an un-handled error path in 'meson_drv_bind_master()' 

'drm_vblank_init()' can fail. So handle this (unlikely) error.

Fixes: bbbe775ec5 ("drm: Add support for Amlogic Meson Graphic Controller")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/6cbf3d70ac3904489c7194c895225c4103aebb96.1520885192.git.christophe.jaillet@wanadoo.fr
This commit is contained in:
Christophe JAILLET 2018-03-12 21:15:08 +01:00 committed by Neil Armstrong
parent c10496c8d2
commit e770f6bf18
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/meson/meson_drv.c
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@ -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;