linux-kernel - [PATCH net-next] net: ethoc: Remove useless test before clk_disable

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Date:   Wed, 16 May 2018 19:18:22 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <tklauser@...tanz.ch>, <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH net-next] net: ethoc: Remove useless test before clk_disable_unprepare

clk_disable_unprepare() already checks that the clock pointer is valid.
No need to test it before calling it.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/net/ethernet/ethoc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c
index 8bb0db9..00a5727 100644
--- a/drivers/net/ethernet/ethoc.c
+++ b/drivers/net/ethernet/ethoc.c
@@ -1246,8 +1246,7 @@ static int ethoc_probe(struct platform_device *pdev)
 	mdiobus_unregister(priv->mdio);
 	mdiobus_free(priv->mdio);
 free2:
-	if (priv->clk)
-		clk_disable_unprepare(priv->clk);
+	clk_disable_unprepare(priv->clk);
 free:
 	free_netdev(netdev);
 out:
@@ -1271,8 +1270,7 @@ static int ethoc_remove(struct platform_device *pdev)
 			mdiobus_unregister(priv->mdio);
 			mdiobus_free(priv->mdio);
 		}
-		if (priv->clk)
-			clk_disable_unprepare(priv->clk);
+		clk_disable_unprepare(priv->clk);
 		unregister_netdev(netdev);
 		free_netdev(netdev);
 	}
-- 
2.7.0