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-rw-r--r--net/core/dev.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index ab9a16530c36..cf8a95f48cff 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4809,9 +4809,14 @@ static void netdev_adjacent_sysfs_del(struct net_device *dev,
4809 sysfs_remove_link(&(dev->dev.kobj), linkname); 4809 sysfs_remove_link(&(dev->dev.kobj), linkname);
4810} 4810}
4811 4811
4812#define netdev_adjacent_is_neigh_list(dev, dev_list) \ 4812static inline bool netdev_adjacent_is_neigh_list(struct net_device *dev,
4813 (dev_list == &dev->adj_list.upper || \ 4813 struct net_device *adj_dev,
4814 dev_list == &dev->adj_list.lower) 4814 struct list_head *dev_list)
4815{
4816 return (dev_list == &dev->adj_list.upper ||
4817 dev_list == &dev->adj_list.lower) &&
4818 net_eq(dev_net(dev), dev_net(adj_dev));
4819}
4815 4820
4816static int __netdev_adjacent_dev_insert(struct net_device *dev, 4821static int __netdev_adjacent_dev_insert(struct net_device *dev,
4817 struct net_device *adj_dev, 4822 struct net_device *adj_dev,
@@ -4841,7 +4846,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev,
4841 pr_debug("dev_hold for %s, because of link added from %s to %s\n", 4846 pr_debug("dev_hold for %s, because of link added from %s to %s\n",
4842 adj_dev->name, dev->name, adj_dev->name); 4847 adj_dev->name, dev->name, adj_dev->name);
4843 4848
4844 if (netdev_adjacent_is_neigh_list(dev, dev_list)) { 4849 if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list)) {
4845 ret = netdev_adjacent_sysfs_add(dev, adj_dev, dev_list); 4850 ret = netdev_adjacent_sysfs_add(dev, adj_dev, dev_list);
4846 if (ret) 4851 if (ret)
4847 goto free_adj; 4852 goto free_adj;
@@ -4862,7 +4867,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev,
4862 return 0; 4867 return 0;
4863 4868
4864remove_symlinks: 4869remove_symlinks:
4865 if (netdev_adjacent_is_neigh_list(dev, dev_list)) 4870 if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list))
4866 netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list); 4871 netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list);
4867free_adj: 4872free_adj:
4868 kfree(adj); 4873 kfree(adj);
@@ -4895,8 +4900,7 @@ static void __netdev_adjacent_dev_remove(struct net_device *dev,
4895 if (adj->master) 4900 if (adj->master)
4896 sysfs_remove_link(&(dev->dev.kobj), "master"); 4901 sysfs_remove_link(&(dev->dev.kobj), "master");
4897 4902
4898 if (netdev_adjacent_is_neigh_list(dev, dev_list) && 4903 if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list))
4899 net_eq(dev_net(dev),dev_net(adj_dev)))
4900 netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list); 4904 netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list);
4901 4905
4902 list_del_rcu(&adj->list); 4906 list_del_rcu(&adj->list);