IB/mlx5: Fix steering resource leak

commit 7055a29471eebf4b62687944694222635ed44b09 upstream.

Fix multicast flow rule leak on adding unicast rule failure.

Fixes: 038d2ef87572 ('IB/mlx5: Add flow steering support')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index e19537cf44ab3890e51f1262f0064378fecaf44b..bff8707a2f1f803583f376529cd489eb4677c2d9 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1843,6 +1843,7 @@ static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *de
                                                 &leftovers_specs[LEFTOVERS_UC].flow_attr,
                                                 dst);
                if (IS_ERR(handler_ucast)) {
+                       mlx5_del_flow_rule(handler->rule);
                        kfree(handler);
                        handler = handler_ucast;
                } else {