[PATCHv2 2/2] phy:phy-lantiq-rcu-usb2: Use PTR_ERR_OR_ZERO to replace the open coded version

[zhong jiang]

PTR_ERR_OR_ZERO has implemented the if(IS_ERR(...)) + PTR_ERR, So
just replace them rather than duplicating its implement.

Signed-off-by: zhong jiang <zhongji...@huawei.com>
---
 drivers/phy/lantiq/phy-lantiq-rcu-usb2.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/phy/lantiq/phy-lantiq-rcu-usb2.c 
b/drivers/phy/lantiq/phy-lantiq-rcu-usb2.c
index 986224f..a918c5b 100644
--- a/drivers/phy/lantiq/phy-lantiq-rcu-usb2.c
+++ b/drivers/phy/lantiq/phy-lantiq-rcu-usb2.c
@@ -196,10 +196,8 @@ static int ltq_rcu_usb2_of_parse(struct ltq_rcu_usb2_priv 
*priv,
        }
 
        priv->phy_reset = devm_reset_control_get_optional(dev, "phy");
-       if (IS_ERR(priv->phy_reset))
-               return PTR_ERR(priv->phy_reset);
 
-       return 0;
+       return PTR_ERR_OR_ZERO(priv->phy_reset);
 }
 
 static int ltq_rcu_usb2_phy_probe(struct platform_device *pdev)
-- 
1.7.12.4