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net: usbnet: make driver_info const

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The driver_info field that is used for describing each of the usb-net
drivers using the usbnet.c core all declare their information as const
and the usbnet.c itself does not try and modify the struct.

It is therefore a good idea to make this const in the usbnet.c structure
in case anyone tries to modify it.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Dooks 2018-10-01 17:02:43 +01:00 committed by David S. Miller
parent 8873c064d1
commit f3edc2dbe0
2 changed files with 7 additions and 7 deletions
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12
drivers/net/usb/usbnet.c
View File

@ -802,7 +802,7 @@ static void usbnet_terminate_urbs(struct usbnet *dev)
int usbnet_stop (struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct driver_info *info = dev->driver_info;
const struct driver_info *info = dev->driver_info;
int retval, pm, mpn;
clear_bit(EVENT_DEV_OPEN, &dev->flags);
@ -865,7 +865,7 @@ int usbnet_open (struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
int retval;
struct driver_info *info = dev->driver_info;
const struct driver_info *info = dev->driver_info;
if ((retval = usb_autopm_get_interface(dev->intf)) < 0) {
netif_info(dev, ifup, dev->net,
@ -1205,7 +1205,7 @@ usbnet_deferred_kevent (struct work_struct *work)
}
if (test_bit (EVENT_LINK_RESET, &dev->flags)) {
struct driver_info *info = dev->driver_info;
const struct driver_info *info = dev->driver_info;
int retval = 0;
clear_bit (EVENT_LINK_RESET, &dev->flags);
@ -1353,7 +1353,7 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
unsigned int length;
struct urb *urb = NULL;
struct skb_data *entry;
struct driver_info *info = dev->driver_info;
const struct driver_info *info = dev->driver_info;
unsigned long flags;
int retval;
@ -1647,7 +1647,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
struct usbnet *dev;
struct net_device *net;
struct usb_host_interface *interface;
struct driver_info *info;
const struct driver_info *info;
struct usb_device *xdev;
int status;
const char *name;
@ -1663,7 +1663,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
}
name = udev->dev.driver->name;
info = (struct driver_info *) prod->driver_info;
info = (const struct driver_info *) prod->driver_info;
if (!info) {
dev_dbg (&udev->dev, "blacklisted by %s\n", name);
return -ENODEV;

2
include/linux/usb/usbnet.h
View File

@ -28,7 +28,7 @@ struct usbnet {
/* housekeeping */
struct usb_device *udev;
struct usb_interface *intf;
struct driver_info *driver_info;
const struct driver_info *driver_info;
const char *driver_name;
void *driver_priv;
wait_queue_head_t wait;