diff mbox series

[01/12] net: usbnet: constify the struct device_type usage

Message ID 20240217-device_cleanup-net-v1-1-1eb31fb689f7@marliere.net (mailing list archive)
State Accepted
Commit 3ce7caee3af0f467ac3a1f90277d469d94c95af5
Headers show
Series net: constify struct device_type usage | expand

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 wlan_type
and wwan_type variables to be constant structures 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>
---
 drivers/net/usb/usbnet.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Simon Horman Feb. 20, 2024, 11:18 a.m. UTC | #1
On Sat, Feb 17, 2024 at 05:13:23PM -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 wlan_type
> and wwan_type variables to be constant structures 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/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 2d14b0d78541..b21ebe24057f 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1654,11 +1654,11 @@  static const struct net_device_ops usbnet_netdev_ops = {
 
 // precondition: never called in_interrupt
 
-static struct device_type wlan_type = {
+static const struct device_type wlan_type = {
 	.name	= "wlan",
 };
 
-static struct device_type wwan_type = {
+static const struct device_type wwan_type = {
 	.name	= "wwan",
 };