linux-kernel - [PATCH net-next] net: e1000: Remove set but not used variable

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Date:   Sat, 19 Sep 2020 09:50:20 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <jeffrey.t.kirsher@...el.com>, <davem@...emloft.net>,
        <kuba@...nel.org>, <intel-wired-lan@...ts.osuosl.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH net-next] net: e1000: Remove set but not used variable

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

drivers/net/ethernet/intel/e1000/e1000_hw.c: In function e1000_phy_init_script:
drivers/net/ethernet/intel/e1000/e1000_hw.c:132:6: warning: variable ‘ret_val’ set but not used [-Wunused-but-set-variable]

`ret_val` is never used, so remove it.

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/net/ethernet/intel/e1000/e1000_hw.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/e1000/e1000_hw.c b/drivers/net/ethernet/intel/e1000/e1000_hw.c
index 4e7a0810eaeb..f1dbd7b8ee32 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_hw.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_hw.c
@@ -129,7 +129,6 @@ static s32 e1000_set_phy_type(struct e1000_hw *hw)
  */
 static void e1000_phy_init_script(struct e1000_hw *hw)
 {
-	u32 ret_val;
 	u16 phy_saved_data;
 
 	if (hw->phy_init_script) {
@@ -138,7 +137,7 @@ static void e1000_phy_init_script(struct e1000_hw *hw)
 		/* Save off the current value of register 0x2F5B to be restored
 		 * at the end of this routine.
 		 */
-		ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
+		e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
 
 		/* Disabled the PHY transmitter */
 		e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
-- 
2.17.1