IB/mlx5: Fix steering resource leak

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>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 840fbd0..87988fb 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1861,6 +1861,7 @@ 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)) {
                                                 &leftovers_specs[LEFTOVERS_UC].flow_attr,
                                                 dst);
                if (IS_ERR(handler_ucast)) {

+                       mlx5_del_flow_rule(handler->rule);

                        kfree(handler);
                        handler = handler_ucast;
                } else {
                        kfree(handler);
                        handler = handler_ucast;
                } else {