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net/mlx5: Fix null-ptr-deref in mlx5_create_{inner_,}ttc_table()

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[ Upstream commit 91037037ee3d611ce17f39d75f79c7de394b122a ]

Add NULL check for mlx5_get_flow_namespace() returns in
mlx5_create_inner_ttc_table() and mlx5_create_ttc_table() to prevent
NULL pointer dereference.

Fixes: 137f3d50ad ("net/mlx5: Support matching on l4_type for ttc_table")
Signed-off-by: Henry Martin <bsdhenrymartin@gmail.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/20250418023814.71789-2-bsdhenrymartin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Henry Martin
2025-04-18 10:38:13 +08:00
committed by Greg Kroah-Hartman
parent ef258a15e7
commit 0b682680b1
1 changed files with 10 additions and 0 deletions
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10
drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c
View File

@@ -636,6 +636,11 @@ struct mlx5_ttc_table *mlx5_create_inner_ttc_table(struct mlx5_core_dev *dev,
}
ns = mlx5_get_flow_namespace(dev, params->ns_type);
if (!ns) {
kvfree(ttc);
return ERR_PTR(-EOPNOTSUPP);
}
groups = use_l4_type ? &inner_ttc_groups[TTC_GROUPS_USE_L4_TYPE] :
&inner_ttc_groups[TTC_GROUPS_DEFAULT];
@@ -709,6 +714,11 @@ struct mlx5_ttc_table *mlx5_create_ttc_table(struct mlx5_core_dev *dev,
}
ns = mlx5_get_flow_namespace(dev, params->ns_type);
if (!ns) {
kvfree(ttc);
return ERR_PTR(-EOPNOTSUPP);
}
groups = use_l4_type ? &ttc_groups[TTC_GROUPS_USE_L4_TYPE] :
&ttc_groups[TTC_GROUPS_DEFAULT];