linux-kernel - [net-next] net: smsc911x: Remove unused variables

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Message-ID: <1599536965-162578-1-git-send-email-xuwei5@hisilicon.com>
Date:   Tue, 8 Sep 2020 11:49:25 +0800
From:   Wei Xu <xuwei5@...ilicon.com>
To:     <netdev@...r.kernel.org>
CC:     <davem@...emloft.net>, <xuwei5@...ilicon.com>,
        <linuxarm@...wei.com>, <shameerali.kolothum.thodi@...wei.com>,
        <jonathan.cameron@...wei.com>, <john.garry@...wei.com>,
        <salil.mehta@...wei.com>, <shiju.jose@...wei.com>,
        <jinying@...ilicon.com>, <zhangyi.ac@...wei.com>,
        <liguozhu@...ilicon.com>, <tangkunshan@...wei.com>,
        <huangdaode@...ilicon.com>,
        Steve Glendinning <steve.glendinning@...well.net>,
        Jakub Kicinski <kuba@...nel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [net-next] net: smsc911x: Remove unused variables

Fixes the following W=1 kernel build warning(s):

 drivers/net/ethernet/smsc/smsc911x.c: In function ‘smsc911x_rx_fastforward’:
 drivers/net/ethernet/smsc/smsc911x.c:1199:16: warning: variable ‘temp’ set but not used [-Wunused-but-set-variable]

 drivers/net/ethernet/smsc/smsc911x.c: In function ‘smsc911x_eeprom_write_location’:
 drivers/net/ethernet/smsc/smsc911x.c:2058:6: warning: variable ‘temp’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Wei Xu <xuwei5@...ilicon.com>
---
 drivers/net/ethernet/smsc/smsc911x.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index fc168f8..823d9a7 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -1196,9 +1196,8 @@ smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktwords)
 			SMSC_WARN(pdata, hw, "Timed out waiting for "
 				  "RX FFWD to finish, RX_DP_CTRL: 0x%08X", val);
 	} else {
-		unsigned int temp;
 		while (pktwords--)
-			temp = smsc911x_reg_read(pdata, RX_DATA_FIFO);
+			smsc911x_reg_read(pdata, RX_DATA_FIFO);
 	}
 }
 
@@ -2055,7 +2054,6 @@ static int smsc911x_eeprom_write_location(struct smsc911x_data *pdata,
 					  u8 address, u8 data)
 {
 	u32 op = E2P_CMD_EPC_CMD_ERASE_ | address;
-	u32 temp;
 	int ret;
 
 	SMSC_TRACE(pdata, drv, "address 0x%x, data 0x%x", address, data);
@@ -2066,7 +2064,7 @@ static int smsc911x_eeprom_write_location(struct smsc911x_data *pdata,
 		smsc911x_reg_write(pdata, E2P_DATA, (u32)data);
 
 		/* Workaround for hardware read-after-write restriction */
-		temp = smsc911x_reg_read(pdata, BYTE_TEST);
+		smsc911x_reg_read(pdata, BYTE_TEST);
 
 		ret = smsc911x_eeprom_send_cmd(pdata, op);
 	}
-- 
2.8.1