This is a note to let you know that I've just added the patch titled
net/mlx5e: Fix modify header actions memory leak
to the 5.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-mlx5e-fix-modify-header-actions-memory-leak.patch
and it can be found in the queue-5.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 9a6ee78661655dfac3f772a0516d34b6c2cfb075
Author: Maor Dickman <maord@xxxxxxxxxx>
Date: Wed Sep 30 16:31:11 2020 +0300
net/mlx5e: Fix modify header actions memory leak
[ Upstream commit e68e28b4a9d71261e3f8fd05a72d6cf0b443a493 ]
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@xxxxxxxxxx>
Reviewed-by: Paul Blakey <paulb@xxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 1c93f92d9210a..44947b054dc4c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -4430,6 +4430,7 @@ __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);
@@ -4564,6 +4565,7 @@ 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);
kvfree(parse_attr);
out:
