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From:   Lipeng <lipeng321@huawei.com>
To:     <davem@davemloft.net>
CC:     <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linuxarm@huawei.com>, <salil.mehta@huawei.com>,
        <lipeng321@huawei.com>
Subject: [PATCH net-next 3/6] net: hns3: fix a bug in hns3_driv_to_eth_caps
Date:   Fri, 3 Nov 2017 12:18:27 +0800
Message-ID: <1509682710-94908-4-git-send-email-lipeng321@huawei.com>
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From: Fuyun Liang <liangfuyun1@huawei.com>

The value of link_modes.advertising and the value of link_modes.supported
is initialized to zero every time in for loop in hns3_driv_to_eth_caps().
But we just want to set specified bit for them. Initialization is
unnecessary. This patch fixes it.

Fixes: 496d03e (net: hns3: Add Ethtool support to HNS3 driver)
Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Lipeng <lipeng321@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c
index 0e10a43..c7b8ebd 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c
@@ -359,17 +359,12 @@ static void hns3_driv_to_eth_caps(u32 caps, struct ethtool_link_ksettings *cmd,
 		if (!(caps & hns3_lm_map[i].hns3_link_mode))
 			continue;
 
-		if (is_advertised) {
-			ethtool_link_ksettings_zero_link_mode(cmd,
-							      advertising);
+		if (is_advertised)
 			__set_bit(hns3_lm_map[i].ethtool_link_mode,
 				  cmd->link_modes.advertising);
-		} else {
-			ethtool_link_ksettings_zero_link_mode(cmd,
-							      supported);
+		else
 			__set_bit(hns3_lm_map[i].ethtool_link_mode,
 				  cmd->link_modes.supported);
-		}
 	}
 }
 
-- 
1.9.1


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