[PATCH v2] phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy_init()

Tiezhu Yang yangtiezhu at loongson.cn
Wed May 19 03:37:39 PDT 2021


Use clk_disable_unprepare() in the error path of mtk_phy_init() to fix
some resource leaks.

Reported-by: kernel test robot <lkp at intel.com>
Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
Signed-off-by: Tiezhu Yang <yangtiezhu at loongson.cn>
Reviewed-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
---

v2: remove Fixes tag and add Reviewed-by tag

 drivers/phy/mediatek/phy-mtk-tphy.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index cdbcc49..731c483 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -949,6 +949,8 @@ static int mtk_phy_init(struct phy *phy)
 		break;
 	default:
 		dev_err(tphy->dev, "incompatible PHY type\n");
+		clk_disable_unprepare(instance->ref_clk);
+		clk_disable_unprepare(instance->da_ref_clk);
 		return -EINVAL;
 	}
 
-- 
2.1.0




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