summaryrefslogtreecommitdiff
path: root/drivers/net/mlx4/port.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/mlx4/port.c')
-rw-r--r--drivers/net/mlx4/port.c9
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);
}