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[net,v2,1/7] net/mlx5e: Fix modify header actions memory leak

Message ID 20201105202129.23644-2-saeedm@nvidia.com
State New
Headers show
Series mlx5 fixes 2020-11-03 | expand

Commit Message

Saeed Mahameed Nov. 5, 2020, 8:21 p.m. UTC 
From: Maor Dickman <maord@nvidia.com>

Modify header actions are allocated during parse tc actions and only
freed during the flow creation, however, on error flow the allocated
memory is wrongly unfreed.

Fix this by calling dealloc_mod_hdr_actions in __mlx5e_add_fdb_flow
and mlx5e_add_nic_flow error flow.

Fixes: d7e75a325cb2 ("net/mlx5e: Add offloading of E-Switch TC pedit (header re-write) actions")
Fixes: 2f4fe4cab073 ("net/mlx5e: Add offloading of NIC TC pedit (header re-write) actions")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index e3a968e9e2a0..2e2fa0440032 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -4658,6 +4658,7 @@  __mlx5e_add_fdb_flow(struct mlx5e_priv *priv,
 	return flow;
 
 err_free:
+	dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts);
 	mlx5e_flow_put(priv, flow);
 out:
 	return ERR_PTR(err);
@@ -4802,6 +4803,7 @@  mlx5e_add_nic_flow(struct mlx5e_priv *priv,
 	return 0;
 
 err_free:
+	dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts);
 	mlx5e_flow_put(priv, flow);
 out:
 	return err;