Messages in this thread Patch in this message | | | From | Yu Kuai <> | Subject | [PATCH] drm/mediatek: add exception handing in mtk_drm_probe() if component init fail | Date | Wed, 9 Sep 2020 16:49:42 +0800 |
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mtk_ddp_comp_init() is called in a loop in mtk_drm_probe(), if it fail, previous successive init component is not proccessed.
Thus uninitialize valid component and put their device if component init failed.
Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.") Signed-off-by: Yu Kuai <yukuai3@huawei.com>
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 040a8f393fe2..75a6cf231fd7 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -544,8 +544,13 @@ static int mtk_drm_probe(struct platform_device *pdev) pm_runtime_disable(dev); err_node: of_node_put(private->mutex_node); - for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) + for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) { of_node_put(private->comp_node[i]); + if (private->ddp_comp[i]) { + put_device(private->ddp_comp[i]->larb_dev); + private->ddp_comp[i] = NULL; + } + } return ret; } -- 2.25.4
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