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-rw-r--r--drivers/net/team/team.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 6a047d30e8c6..d887016e54b6 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1167,6 +1167,12 @@ static int team_port_add(struct team *team, struct net_device *port_dev,
 		return -EBUSY;
 	}
 
+	if (dev == port_dev) {
+		NL_SET_ERR_MSG(extack, "Cannot enslave team device to itself");
+		netdev_err(dev, "Cannot enslave team device to itself\n");
+		return -EINVAL;
+	}
+
 	if (port_dev->features & NETIF_F_VLAN_CHALLENGED &&
 	    vlan_uses_dev(dev)) {
 		NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up");