diff mbox series

[09/12] net: vlan: constify the struct device_type usage

Message ID 20240217-device_cleanup-net-v1-9-1eb31fb689f7@marliere.net
State New
Headers
Series net: constify struct device_type usage |

Commit Message

Ricardo B. Marliere Feb. 17, 2024, 8:13 p.m. UTC 
  Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the vlan_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@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
---
 net/8021q/vlan_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Simon Horman Feb. 20, 2024, 11:21 a.m. UTC | #1 
On Sat, Feb 17, 2024 at 05:13:31PM -0300, Ricardo B. Marliere wrote:
> Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
> core can properly handle constant struct device_type. Move the vlan_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@linuxfoundation.org>
> Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>

Reviewed-by: Simon Horman <horms@kernel.org>
diff mbox series

Patch

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 790b54a7cbe3..df5552518251 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -537,7 +537,7 @@  static const struct header_ops vlan_passthru_header_ops = {
 	.parse_protocol = vlan_parse_protocol,
 };
 
-static struct device_type vlan_type = {
+static const struct device_type vlan_type = {
 	.name	= "vlan",
 };