[v3,11/12] drm/mediatek: add a error return value when clock driver has been prepared

Commit Message

Bibby Hsieh Sept. 21, 2018, 3:28 a.m. UTC

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.

Signed-off-by: Bibby Hsieh <[e-mail]>
Reviewed-by: CK Hu <[e-mail]>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index ff974d82a4a6..54ca794db3e9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -294,7 +294,7 @@  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;