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SubjectRe: [PATCH v1 6/7] drm/mediatek: add a error return value when clock driver has been prepared
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Hi, Bibby:

On Mon, 2018-05-14 at 15:52 +0800, Bibby Hsieh wrote:
> DRM driver get the comp->clk by of_clk_get(), we only
> assign NULL to comp->clk when error happened, but do
> not return the error number.
>

Reviewed-by: CK Hu <ck.hu@mediatek.com>

> Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 4672317e3ad1..d38a5303f8fc 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -283,7 +283,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
> comp->irq = of_irq_get(node, 0);
> comp->clk = of_clk_get(node, 0);
> if (IS_ERR(comp->clk))
> - comp->clk = NULL;
> + return PTR_ERR(comp->clk);
>
> /* Only DMA capable components need the LARB property */
> comp->larb_dev = NULL;


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