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net: ibm: remove set but not used variables 'err' 

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

drivers/net/ethernet/ibm/emac/core.c: In function __emac_mdio_write:
drivers/net/ethernet/ibm/emac/core.c:875:9: warning:
	variable err set but not used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chen Zhou 2020-03-11 14:54:11 +08:00 committed by David S. Miller
parent 64fbca0119
commit 9b96a3e6dd
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ethernet/ibm/emac/core.c
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@ -872,7 +872,7 @@ static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
{
struct emac_regs __iomem *p = dev->emacp;
u32 r = 0;
int n, err = -ETIMEDOUT;
int n;
mutex_lock(&dev->mdio_lock);
@ -919,7 +919,6 @@ static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
goto bail;
}
}
err = 0;
bail:
if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII))
rgmii_put_mdio(dev->rgmii_dev, dev->rgmii_port);