net: dsa: return after mdb prepare phase

The current code does not return after successfully preparing the MDB addition on every ports member of a multicast group. Fix this. Fixes: a1a6b7e ("net: dsa: add cross-chip multicast support") Reported-by: Egil Hjelmeland <[email protected]> Signed-off-by: Vivien Didelot <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
akeromi · Nov 11, 2017 · b0b38a1 · b0b38a1
1 parent 0eb96bf
commit b0b38a1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
@@ -133,6 +133,8 @@ static int dsa_switch_mdb_add(struct dsa_switch *ds,
 			if (err)
 				return err;
 		}
+
+		return 0;
 	}
 
 	for_each_set_bit(port, group, ds->num_ports)