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-rw-r--r--net/core/dev.c55
1 files changed, 34 insertions, 21 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index bcd0c2154bb2..033d7ca28e6e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4336,6 +4336,39 @@ unsigned long netdev_fix_features(unsigned long features, const char *name)
}
EXPORT_SYMBOL(netdev_fix_features);
+/* Some devices need to (re-)set their netdev_ops inside
+ * ->init() or similar. If that happens, we have to setup
+ * the compat pointers again.
+ */
+void netdev_resync_ops(struct net_device *dev)
+{
+#ifdef CONFIG_COMPAT_NET_DEV_OPS
+ const struct net_device_ops *ops = dev->netdev_ops;
+
+ dev->init = ops->ndo_init;
+ dev->uninit = ops->ndo_uninit;
+ dev->open = ops->ndo_open;
+ dev->change_rx_flags = ops->ndo_change_rx_flags;
+ dev->set_rx_mode = ops->ndo_set_rx_mode;
+ dev->set_multicast_list = ops->ndo_set_multicast_list;
+ dev->set_mac_address = ops->ndo_set_mac_address;
+ dev->validate_addr = ops->ndo_validate_addr;
+ dev->do_ioctl = ops->ndo_do_ioctl;
+ dev->set_config = ops->ndo_set_config;
+ dev->change_mtu = ops->ndo_change_mtu;
+ dev->neigh_setup = ops->ndo_neigh_setup;
+ dev->tx_timeout = ops->ndo_tx_timeout;
+ dev->get_stats = ops->ndo_get_stats;
+ dev->vlan_rx_register = ops->ndo_vlan_rx_register;
+ dev->vlan_rx_add_vid = ops->ndo_vlan_rx_add_vid;
+ dev->vlan_rx_kill_vid = ops->ndo_vlan_rx_kill_vid;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ dev->poll_controller = ops->ndo_poll_controller;
+#endif
+#endif
+}
+EXPORT_SYMBOL(netdev_resync_ops);
+
/**
* register_netdevice - register a network device
* @dev: device to register
@@ -4380,27 +4413,7 @@ int register_netdevice(struct net_device *dev)
* This is temporary until all network devices are converted.
*/
if (dev->netdev_ops) {
- const struct net_device_ops *ops = dev->netdev_ops;
-
- dev->init = ops->ndo_init;
- dev->uninit = ops->ndo_uninit;
- dev->open = ops->ndo_open;
- dev->change_rx_flags = ops->ndo_change_rx_flags;
- dev->set_rx_mode = ops->ndo_set_rx_mode;
- dev->set_multicast_list = ops->ndo_set_multicast_list;
- dev->set_mac_address = ops->ndo_set_mac_address;
- dev->validate_addr = ops->ndo_validate_addr;
- dev->do_ioctl = ops->ndo_do_ioctl;
- dev->set_config = ops->ndo_set_config;
- dev->change_mtu = ops->ndo_change_mtu;
- dev->tx_timeout = ops->ndo_tx_timeout;
- dev->get_stats = ops->ndo_get_stats;
- dev->vlan_rx_register = ops->ndo_vlan_rx_register;
- dev->vlan_rx_add_vid = ops->ndo_vlan_rx_add_vid;
- dev->vlan_rx_kill_vid = ops->ndo_vlan_rx_kill_vid;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = ops->ndo_poll_controller;
-#endif
+ netdev_resync_ops(dev);
} else {
char drivername[64];
pr_info("%s (%s): not using net_device_ops yet\n",

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