bonding: improve nl error msg when device can't be enslaved because of IFF_MASTER

Use a more user friendly netlink error message when a device can't be
enslaved because it has IFF_MASTER, by not referring directly to a
kernel internal flag.

Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 04158a8..b0966e7 100644 (file)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1759,7 +1759,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
        if (slave_dev->flags & IFF_MASTER &&
            !netif_is_bond_master(slave_dev)) {
                BOND_NL_ERR(bond_dev, extack,
-                           "Device with IFF_MASTER cannot be enslaved");
+                           "Device type (master device) cannot be enslaved");
                return -EPERM;
        }