diff options
| author | Chris Mi <cmi@nvidia.com> | 2023-04-11 11:17:35 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2023-06-16 12:59:19 -0700 |
| commit | b100573ab76ee5b0cb8f9129b568d9e7da795f76 (patch) | |
| tree | ce2d7830e6330dc4411fbed8b524a9b270569102 | |
| parent | 0ab999d4a1bfe8251538be1e7e495c50433475a8 (diff) | |
net/mlx5e: TC, Add null pointer check for hardware miss support
The cited commits add hardware miss support to tc action. But if
the rules can't be offloaded, the pointers are null and system
will panic when accessing them.
Fix it by checking null pointer.
Fixes: 08fe94ec5f77 ("net/mlx5e: TC, Remove special handling of CT action")
Fixes: 6702782845a5 ("net/mlx5e: TC, Set CT miss to the specific ct action instance")
Signed-off-by: Chris Mi <cmi@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c index ead38ef69483..a254e728ac95 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c @@ -2021,6 +2021,8 @@ void mlx5_tc_ct_delete_flow(struct mlx5_tc_ct_priv *priv, struct mlx5_flow_attr *attr) { + if (!attr->ct_attr.ft) /* no ct action, return */ + return; if (!attr->ct_attr.nf_ft) /* means only ct clear action, and not ct_clear,ct() */ return; |