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Diffstat (limited to 'net/dsa/slave.c')
-rw-r--r--net/dsa/slave.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index f83525909c57..ce26dddc8270 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -379,6 +379,13 @@ static int dsa_slave_get_port_parent_id(struct net_device *dev,
struct dsa_switch *ds = dp->ds;
struct dsa_switch_tree *dst = ds->dst;
+ /* For non-legacy ports, devlink is used and it takes
+ * care of the name generation. This ndo implementation
+ * should be removed with legacy support.
+ */
+ if (dp->ds->devlink)
+ return -EOPNOTSUPP;
+
ppid->id_len = sizeof(dst->index);
memcpy(&ppid->id, &dst->index, ppid->id_len);