linux-kernel - [PATCH] net: realtek: r8169: remove redundant assignment to giga

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Message-Id: <20171108132323.26292-1-colin.king@canonical.com>
Date:   Wed,  8 Nov 2017 13:23:23 +0000
From:   Colin King <colin.king@...onical.com>
To:     Realtek linux nic maintainers <nic_swsd@...ltek.com>,
        netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] net: realtek: r8169: remove redundant assignment to giga_ctrl

From: Colin Ian King <colin.king@...onical.com>

The variable giga_ctrl is being assigned to zero however this is
never read and hence the assignment is redundant, so remove it.
Cleans up clang warning:

drivers/net/ethernet/realtek/r8169.c:1978:3: warning: Value stored
to 'giga_ctrl' is never read

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/net/ethernet/realtek/r8169.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index fd218fd9ef3c..dcb8c39382e7 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1982,8 +1982,6 @@ static int rtl8169_set_speed_xmii(struct net_device *dev,
 		rtl_writephy(tp, MII_ADVERTISE, auto_nego);
 		rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
 	} else {
-		giga_ctrl = 0;
-
 		if (speed == SPEED_10)
 			bmcr = 0;
 		else if (speed == SPEED_100)
-- 
2.14.1