mlxsw: spectrum: Forbid linking to devices that have uppers

[karo-tx-linux.git] / net / core / dev.c

diff --git a/net/core/dev.c b/net/core/dev.c
index 818dfa6e7ab5cf8e72efa676829ada432507ef44..86b4b0a79e7abb6554af07ed81a7b91e2f8762bf 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5668,12 +5668,13 @@ EXPORT_SYMBOL(netdev_has_upper_dev_all_rcu);
  * Find out if a device is linked to an upper device and return true in case
  * it is. The caller must hold the RTNL lock.
  */
-static bool netdev_has_any_upper_dev(struct net_device *dev)
+bool netdev_has_any_upper_dev(struct net_device *dev)
 {
        ASSERT_RTNL();
 
        return !list_empty(&dev->adj_list.upper);
 }
+EXPORT_SYMBOL(netdev_has_any_upper_dev);
 
 /**
  * netdev_master_upper_dev_get - Get master upper device