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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2018-03-12 23:15:08 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-30 08:52:33 +0300 |
| commit | 903c66e35fb70aaa48fba43cc6af73c130b7e6ff (patch) | |
| tree | 672abfb12aaaf83895d837d135d3aa395231afcb /drivers/gpu/drm/meson | |
| parent | b4d7f0dae8c1b2196dda89eca2ddd90d18e6ae56 (diff) | |
| download | linux-903c66e35fb70aaa48fba43cc6af73c130b7e6ff.tar.xz | |
drm/meson: Fix an un-handled error path in 'meson_drv_bind_master()'
[ Upstream commit e770f6bf18182bc3af6ceec30189b6c323cbc157 ]
'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>
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
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/meson')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_drv.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 7c1930d8b419..4ad8223c60ea 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -221,7 +221,10 @@ 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; |