[PATCH net] net: phy: smsc: add missed clk_disable_unprepare in smsc_phy_probe()

[Zhang Changzhong]

Add the missing clk_disable_unprepare() before return from
smsc_phy_probe() in the error handling case.

Fixes: bedd8d78aba3 ("net: phy: smsc: LAN8710/20: add phy refclk in support")
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzh...@huawei.com>
---
 drivers/net/phy/smsc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c
index ec97669..0fc39ac 100644
--- a/drivers/net/phy/smsc.c
+++ b/drivers/net/phy/smsc.c
@@ -291,8 +291,10 @@ static int smsc_phy_probe(struct phy_device *phydev)
                return ret;
 
        ret = clk_set_rate(priv->refclk, 50 * 1000 * 1000);
-       if (ret)
+       if (ret) {
+               clk_disable_unprepare(priv->refclk);
                return ret;
+       }
 
        return 0;
 }
-- 
2.9.5