4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Moshe Shemesh <mo...@mellanox.com>


[ Upstream commit 461d5f1b59490ce0096dfda45e10038c122a7892 ]

mlx4_delete_all_resources_for_slave in resource tracker should free all
memory allocated for a slave.
While releasing memory of fs_rule, it misses releasing memory of
fs_rule->mirr_mbox.

Fixes: 78efed275117 ('net/mlx4_core: Support mirroring VF DMFS rules on both 
ports')
Signed-off-by: Moshe Shemesh <mo...@mellanox.com>
Signed-off-by: Tariq Toukan <tar...@mellanox.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/net/ethernet/mellanox/mlx4/resource_tracker.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -5088,6 +5088,7 @@ static void rem_slave_fs_rule(struct mlx
                                                 
&tracker->res_tree[RES_FS_RULE]);
                                        list_del(&fs_rule->com.list);
                                        spin_unlock_irq(mlx4_tlock(dev));
+                                       kfree(fs_rule->mirr_mbox);
                                        kfree(fs_rule);
                                        state = 0;
                                        break;


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