diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mlx4/port.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/mlx4/port.c b/drivers/net/mlx4/port.c index 1f95afd..609e0ec 100644 --- a/drivers/net/mlx4/port.c +++ b/drivers/net/mlx4/port.c @@ -258,9 +258,12 @@ void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int qpn) if (validate_index(dev, table, index)) goto out; - table->entries[index] = 0; - mlx4_set_port_mac_table(dev, port, table->entries); - --table->total; + /* Check whether this address has reference count */ + if (!(--table->refs[index])) { + table->entries[index] = 0; + mlx4_set_port_mac_table(dev, port, table->entries); + --table->total; + } out: mutex_unlock(&table->mutex); } |