netdev - [PATCH RESEND] net: mii: Fix the Speed display when the network cable is not connected

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Message-Id: <20250110092302.2717512-1-zhangxiangqian@kylinos.cn>
Date: Fri, 10 Jan 2025 17:23:02 +0800
From: Xiangqian Zhang <zhangxiangqian@...inos.cn>
To: andrew+netdev@...n.ch
Cc: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Xiangqian Zhang <zhangxiangqian@...inos.cn>
Subject: [PATCH RESEND] net: mii: Fix the Speed display when the network cable is not connected

Speed should be SPEED_UNKNOWN when the network cable is not connected

Signed-off-by: Xiangqian Zhang <zhangxiangqian@...inos.cn>
---
 drivers/net/mii.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/mii.c b/drivers/net/mii.c
index 22680f47385d..297a0cc3682f 100644
--- a/drivers/net/mii.c
+++ b/drivers/net/mii.c
@@ -213,6 +213,9 @@ void mii_ethtool_get_link_ksettings(struct mii_if_info *mii,
 		lp_advertising = 0;
 	}
 
+	if (!mii_link_ok(mii))
+		cmd->base.speed = SPEED_UNKNOWN;
+
 	mii->full_duplex = cmd->base.duplex;
 
 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
-- 
2.25.1