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drm/tilcdc: fix wrong error handling

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When 'component_bind_all' fails it should not try to unbind components
in the error handling. This will produce a null pointer kernel panic when
no component exist.

This patch changes the order of the error handling. Now, it will only
unbind components if the are bound. Otherwise, the module will jump to
an error label below.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
This commit is contained in:
Daniel Schultz 2016-09-23 12:52:49 +02:00 committed by Jyri Sarha
parent cf97ee1962
commit 7b993855df
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/tilcdc/tilcdc_drv.c
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@ -412,13 +412,13 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
fail_vblank_cleanup:
drm_vblank_cleanup(dev);
fail_mode_config_cleanup:
drm_mode_config_cleanup(dev);
fail_component_cleanup:
if (priv->is_componentized)
component_unbind_all(dev->dev, dev);
fail_mode_config_cleanup:
drm_mode_config_cleanup(dev);
fail_external_cleanup:
tilcdc_remove_external_encoders(dev);