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drm/mediatek: Add missing put_device() call in mtk_drm_kms_init()

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if of_find_device_by_node() succeed, mtk_drm_kms_init() doesn't have
a corresponding put_device(). Thus add jump target to fix the exception
handling for this function implementation.

Fixes: 119f517362 ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This commit is contained in:
Yu Kuai 2020-09-11 19:21:19 +08:00 committed by Chun-Kuang Hu
parent 64c194c007
commit 2132940f21
1 changed files with 7 additions and 4 deletions
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11
drivers/gpu/drm/mediatek/mtk_drm_drv.c
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@ -164,7 +164,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
ret = drmm_mode_config_init(drm);
if (ret)
return ret;
goto put_mutex_dev;
drm->mode_config.min_width = 64;
drm->mode_config.min_height = 64;
@ -181,7 +181,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
ret = component_bind_all(drm->dev, drm);
if (ret)
return ret;
goto put_mutex_dev;
/*
* We currently support two fixed data streams, each optional,
@ -228,7 +228,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
}
if (!dma_dev->dma_parms) {
ret = -ENOMEM;
goto err_component_unbind;
goto put_dma_dev;
}
ret = dma_set_max_seg_size(dma_dev, (unsigned int)DMA_BIT_MASK(32));
@ -255,9 +255,12 @@ static int mtk_drm_kms_init(struct drm_device *drm)
err_unset_dma_parms:
if (private->dma_parms_allocated)
dma_dev->dma_parms = NULL;
put_dma_dev:
put_device(private->dma_dev);
err_component_unbind:
component_unbind_all(drm->dev, drm);
put_mutex_dev:
put_device(private->mutex_dev);
return ret;
}