Commit 20e72a44 authored Aug 04, 2011 by Yevgeny Petrilin Committed by David S. Miller Aug 05, 2011

mlx4: decreasing ref count when removing mac



For older FW versions, when a Mac address removed from Mac table,
we should set 0 for reference count for the corresponding Mac index.
Fixes a bug where removing Mac from the table still left that entry as
invalid.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Tested-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent c70a3a92

drivers/net/mlx4/port.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -258,9 +258,12 @@ void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int qpn)
		if (validate_index(dev, table, index))
		goto out;

		/* 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);
		}