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-rw-r--r--include/linux/netdevice.h5
-rw-r--r--net/core/dev.c9
2 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 13a3484..8502718 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1604,6 +1604,11 @@ struct netdev_notifier_info {
struct net_device *dev;
};
+struct netdev_notifier_change_info {
+ struct netdev_notifier_info info; /* must be first */
+ unsigned int flags_changed;
+};
+
static inline struct net_device *
netdev_notifier_info_to_dev(const struct netdev_notifier_info *info)
{
diff --git a/net/core/dev.c b/net/core/dev.c
index 54fce60..6eb621c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4771,8 +4771,13 @@ void __dev_notify_flags(struct net_device *dev, unsigned int old_flags)
}
if (dev->flags & IFF_UP &&
- (changes & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI | IFF_VOLATILE)))
- call_netdevice_notifiers(NETDEV_CHANGE, dev);
+ (changes & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI | IFF_VOLATILE))) {
+ struct netdev_notifier_change_info change_info;
+
+ change_info.flags_changed = changes;
+ call_netdevice_notifiers_info(NETDEV_CHANGE, dev,
+ &change_info.info);
+ }
}
/**