netdev - [PATCH net-next] igc: Remove set but not used variable 'pci_using

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Message-ID: <1539953291-189201-1-git-send-email-yuehaibing@huawei.com>
Date:   Fri, 19 Oct 2018 12:48:11 +0000
From:   YueHaibing <yuehaibing@...wei.com>
To:     Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Neftin <sasha.neftin@...el.com>
CC:     YueHaibing <yuehaibing@...wei.com>,
        <intel-wired-lan@...ts.osuosl.org>, <netdev@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH net-next] igc: Remove set but not used variable 'pci_using_dac'

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

drivers/net/ethernet/intel/igc/igc_main.c: In function 'igc_probe':
drivers/net/ethernet/intel/igc/igc_main.c:3535:11: warning:
 variable 'pci_using_dac' set but not used [-Wunused-but-set-variable]

It never used since introduction in commit
d89f88419f99 ("igc: Add skeletal frame for Intel(R) 2.5G Ethernet Controller support")

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/net/ethernet/intel/igc/igc_main.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 9d85707..06a4afbe 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -3532,19 +3532,16 @@ static int igc_probe(struct pci_dev *pdev,
 	struct net_device *netdev;
 	struct igc_hw *hw;
 	const struct igc_info *ei = igc_info_tbl[ent->driver_data];
-	int err, pci_using_dac;
+	int err;
 
 	err = pci_enable_device_mem(pdev);
 	if (err)
 		return err;
 
-	pci_using_dac = 0;
 	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
 	if (!err) {
 		err = dma_set_coherent_mask(&pdev->dev,
 					    DMA_BIT_MASK(64));
-		if (!err)
-			pci_using_dac = 1;
 	} else {
 		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
 		if (err) {