netdev - [PATCH net-next] net: pxa168_eth: remove redundant null check before clk_disable

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Date:   Wed, 9 Sep 2020 22:06:37 +0800
From:   Zhang Changzhong <zhangchangzhong@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next] net: pxa168_eth: remove redundant null check before clk_disable_unprepare()

Because clk_prepare_enable() and clk_disable_unprepare() already checked
NULL clock parameter, so the additional checks are unnecessary, just
remove them.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>
---
 drivers/net/ethernet/marvell/pxa168_eth.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index eb8cf60..faac94b 100644
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -1541,10 +1541,8 @@ static int pxa168_eth_remove(struct platform_device *pdev)
 	}
 	if (dev->phydev)
 		phy_disconnect(dev->phydev);
-	if (pep->clk) {
-		clk_disable_unprepare(pep->clk);
-	}
 
+	clk_disable_unprepare(pep->clk);
 	mdiobus_unregister(pep->smi_bus);
 	mdiobus_free(pep->smi_bus);
 	unregister_netdev(dev);
-- 
2.9.5