linux-kernel - [PATCH 04/12] net: vxlan: constify the struct device

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Message-Id: <20240217-device_cleanup-net-v1-4-1eb31fb689f7@marliere.net>
Date: Sat, 17 Feb 2024 17:13:26 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Oliver Neukum <oneukum@...e.com>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>, 
 Vladimir Oltean <olteanv@...il.com>, Roopa Prabhu <roopa@...dia.com>, 
 Nikolay Aleksandrov <razor@...ckwall.org>, 
 Loic Poulain <loic.poulain@...aro.org>, 
 Sergey Ryazanov <ryazanov.s.a@...il.com>, 
 Johannes Berg <johannes@...solutions.net>
Cc: netdev@...r.kernel.org, linux-usb@...r.kernel.org, 
 linux-kernel@...r.kernel.org, bridge@...ts.linux.dev, 
 linux-ppp@...r.kernel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH 04/12] net: vxlan: constify the struct device_type usage

Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the vxlan_type
variable to be a constant structure as well, placing it into read-only
memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
---
 drivers/net/vxlan/vxlan_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 705a6fd6ab6c..386cbe4d3327 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -3254,7 +3254,7 @@ static const struct net_device_ops vxlan_netdev_raw_ops = {
 };

 /* Info for udev, that this is a virtual tunnel endpoint */
-static struct device_type vxlan_type = {
+static const struct device_type vxlan_type = {
 	.name = "vxlan",
 };

-- 
2.43.0