net-next: dsa: make the set_addr() operation optional

Only 1 of the 3 drivers currently has a set_addr() operation. Make the
set_addr() callback optional to reduce the amount of empty stubs inside
the drivers.

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 3 deletions

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 66e31acfcad8..a6902c1e2f28 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -378,9 +378,11 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent)
         if (ret < 0)
                 goto out;
 
-        ret = ops->set_addr(ds, dst->master_netdev->dev_addr);
-        if (ret < 0)
-                goto out;
+        if (ops->set_addr) {
+                ret = ops->set_addr(ds, dst->master_netdev->dev_addr);
+                if (ret < 0)
+                        goto out;
+        }
 
         if (!ds->slave_mii_bus && ops->phy_read) {
                 ds->slave_mii_bus = devm_mdiobus_alloc(parent);