| Message ID | 20240217-device_cleanup-net-v1-1-1eb31fb689f7@marliere.net |
|---|---|
| State | New |
| Headers | show |
| Series | [01/12] net: usbnet: constify the struct device_type usage | expand |
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 --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", };
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(-)