diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
| commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
| tree | aa5cc3760a27c3d57146498cb82fa549547de06c /net/l3mdev | |
| parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) | |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'net/l3mdev')
| -rw-r--r-- | net/l3mdev/l3mdev.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/net/l3mdev/l3mdev.c b/net/l3mdev/l3mdev.c index 8e5ead366..e925037fa 100644 --- a/net/l3mdev/l3mdev.c +++ b/net/l3mdev/l3mdev.c @@ -17,7 +17,7 @@ * @dev: targeted interface */ -int l3mdev_master_ifindex_rcu(struct net_device *dev) +int l3mdev_master_ifindex_rcu(const struct net_device *dev) { int ifindex = 0; @@ -28,8 +28,15 @@ int l3mdev_master_ifindex_rcu(struct net_device *dev) ifindex = dev->ifindex; } else if (netif_is_l3_slave(dev)) { struct net_device *master; + struct net_device *_dev = (struct net_device *)dev; - master = netdev_master_upper_dev_get_rcu(dev); + /* netdev_master_upper_dev_get_rcu calls + * list_first_or_null_rcu to walk the upper dev list. + * list_first_or_null_rcu does not handle a const arg. We aren't + * making changes, just want the master device from that list so + * typecast to remove the const + */ + master = netdev_master_upper_dev_get_rcu(_dev); if (master) ifindex = master->ifindex; } |