[PATCH v2 06/11] memory: mtk-smi: Add error handle for smi_probe

Yong Wu yong.wu at mediatek.com
Thu Jul 15 05:12:04 PDT 2021


Add error handle while component_add fail.

Signed-off-by: Yong Wu <yong.wu at mediatek.com>
---
It don't have the error handle when v1. it is not a fatal error.
thus don't add fix tags.
---
 drivers/memory/mtk-smi.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 6f8e582bace5..e68cbb51dd12 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -330,7 +330,15 @@ static int mtk_smi_larb_probe(struct platform_device *pdev)
 
 	pm_runtime_enable(dev);
 	platform_set_drvdata(pdev, larb);
-	return component_add(dev, &mtk_smi_larb_component_ops);
+	ret = component_add(dev, &mtk_smi_larb_component_ops);
+	if (ret)
+		goto err_pm_disable;
+	return 0;
+
+err_pm_disable:
+	pm_runtime_disable(dev);
+	device_link_remove(dev, larb->smi_common_dev);
+	return ret;
 }
 
 static int mtk_smi_larb_remove(struct platform_device *pdev)
-- 
2.18.0


More information about the linux-arm-kernel mailing list