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path: root/drivers/net/bonding
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Diffstat (limited to 'drivers/net/bonding')
-rw-r--r--drivers/net/bonding/bond_main.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 16840c9bc00d..03b1a93d7fea 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1601,7 +1601,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
int link_reporting;
int res = 0, i;
- if (slave_dev->flags & IFF_MASTER) {
+ if (slave_dev->flags & IFF_MASTER &&
+ !netif_is_bond_master(slave_dev)) {
+ NL_SET_ERR_MSG(extack, "Device with IFF_MASTER cannot be enslaved");
netdev_err(bond_dev,
"Error: Device with IFF_MASTER cannot be enslaved\n");
return -EPERM;