linux-kernel - [PATCH] net: 3com: 3c59x: remove set but not used variable 'mii

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Message-ID: <20200103121907.5769-1-yukuai3@huawei.com>
Date:   Fri, 3 Jan 2020 20:19:07 +0800
From:   yu kuai <yukuai3@...wei.com>
To:     <klassert@...nel.org>, <davem@...emloft.net>,
        <hkallweit1@...il.com>, <jakub.kicinski@...ronome.com>,
        <hslester96@...il.com>, <mst@...hat.com>
CC:     <yang.wei9@....com.cn>, <willy@...radead.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <yukuai3@...wei.com>, <yi.zhang@...wei.com>,
        <zhengbin13@...wei.com>
Subject: [PATCH] net: 3com: 3c59x: remove set but not used variable 'mii_reg1'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/ethernet/3com/3c59x.c: In function ‘vortex_up’:
drivers/net/ethernet/3com/3c59x.c:1551:9: warning: variable
‘mii_reg1’ set but not used [-Wunused-but-set-variable]

It is never used, and so can be removed.

Signed-off-by: yu kuai <yukuai3@...wei.com>
---
 drivers/net/ethernet/3com/3c59x.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index fc046797c0ea..6e537e5dc208 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -1548,7 +1548,7 @@ vortex_up(struct net_device *dev)
 	struct vortex_private *vp = netdev_priv(dev);
 	void __iomem *ioaddr = vp->ioaddr;
 	unsigned int config;
-	int i, mii_reg1, mii_reg5, err = 0;
+	int i, mii_reg5, err = 0;
 
 	if (VORTEX_PCI(vp)) {
 		pci_set_power_state(VORTEX_PCI(vp), PCI_D0);	/* Go active */
@@ -1605,7 +1605,6 @@ vortex_up(struct net_device *dev)
 	window_write32(vp, config, 3, Wn3_Config);
 
 	if (dev->if_port == XCVR_MII || dev->if_port == XCVR_NWAY) {
-		mii_reg1 = mdio_read(dev, vp->phys[0], MII_BMSR);
 		mii_reg5 = mdio_read(dev, vp->phys[0], MII_LPA);
 		vp->partner_flow_ctrl = ((mii_reg5 & 0x0400) != 0);
 		vp->mii.full_duplex = vp->full_duplex;
-- 
2.17.2