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Date:   Mon, 7 Sep 2020 20:49:44 +0800
From:   Zhang Changzhong <zhangchangzhong@...wei.com>
To:     <fugang.duan@....com>, <davem@...emloft.net>, <kuba@...nel.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next] net: ethernet: fec: 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/freescale/fec_main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index fb37816..c043afb 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1960,8 +1960,7 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
 		mutex_unlock(&fep->ptp_clk_mutex);
 	}
 failed_clk_ptp:
-	if (fep->clk_enet_out)
-		clk_disable_unprepare(fep->clk_enet_out);
+	clk_disable_unprepare(fep->clk_enet_out);
 
 	return ret;
 }
-- 
2.9.5

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