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net: dev: add netdev_upper_dev_rename()

PATCH In review Ding Tianhong 1 participant 1 message Jan 13, 2014

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Ding Tianhong

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PATCH 1/2 net: dev: add netdev_upper_dev_rename()

The function will deal with the links for dev and upper_dev when the dev's name changed.

Signed-off-by Ding Tianhong <[email protected]>
---
 include/linux/netdevice.h |  3 +++
 net/core/dev.c            | 57 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
include/linux/netdevice.h +3 -0
index ce2a1f5..1120278 100644
@@ -2896,6 +2896,9 @@ void *netdev_lower_dev_get_private_rcu(struct net_device *dev,
 				       struct net_device *lower_dev);
 void *netdev_lower_dev_get_private(struct net_device *dev,
 				   struct net_device *lower_dev);
+int netdev_upper_dev_rename(struct net_device *dev,
+			    struct net_device *upper_dev,
+			    const char *old_name, const char *new_name);
 int skb_checksum_help(struct sk_buff *skb);
 struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
 				  netdev_features_t features, bool tx_path);
net/core/dev.c +57 -0

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