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From: "Gan, Yi Fang" <yi.fang.gan@intel.com>
To: Russell King <linux@armlinux.org.uk>,
	Andrew Lunn <andrew@lunn.ch>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,
	=?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org>,
	netdev@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: Looi Hong Aun <hong.aun.looi@intel.com>,
	Voon Weifeng <weifeng.voon@intel.com>,
	Song Yoong Siang <yoong.siang.song@intel.com>,
	Choong Yong Liang <yong.liang.choong@intel.com>,
	Gan Yi Fang <yi.fang.gan@intel.com>
Subject: [PATCH net v3 1/1] net: phylink: Add module_exit()
Date: Thu,  4 Jan 2024 18:12:55 +0800
Message-Id: <20240104101255.3056090-1-yi.fang.gan@intel.com>
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In delete_module(), if mod->init callback is defined but mod->exit callback
is not defined, it will assume the module cannot be removed and return
EBUSY. The module_exit() is missing from current phylink module drive
causing failure while unloading it.

This patch introduces phylink_exit() for phylink module removal.

Fixes: eca68a3c7d05 ("net: phylink: pass supported host PHY interface modes to phylib for SFP's PHYs")
Cc: <stable@vger.kernel.org> # 6.1+
Signed-off-by: Lai Peter Jun Ann <jun.ann.lai@intel.com>
Signed-off-by: Gan, Yi Fang <yi.fang.gan@intel.com>
---
v1 -> v2:
Introduce a macro function to reduce the boilerplate

v2 -> v3:
Remove the macro function as it is rejected and fix the
format issue suggested from v1

 drivers/net/phy/phylink.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 25c19496a336..4a05cda74d42 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -3726,5 +3726,11 @@ static int __init phylink_init(void)
 
 module_init(phylink_init);
 
+static void __exit phylink_exit(void)
+{
+}
+
+module_exit(phylink_exit);
+
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("phylink models the MAC to optional PHY connection");
-- 
2.34.1