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net/mlx5: check attr pointer validity before dereferencing it

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Fix attr pointer validity checks after it was already
dereferenced.

Fixes: cb0d54cbf948 ("net/mlx5e: Fix wrong source vport matching on tunnel rule")
Signed-off-by: Ariel Levkovich <lariel@nvidia.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Ariel Levkovich 2022-08-16 23:19:11 +03:00 committed by Saeed Mahameed
parent 17b3222e94
commit e0bf81bf0d
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
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@ -143,7 +143,7 @@ mlx5_eswitch_set_rule_source_port(struct mlx5_eswitch *esw,
if (mlx5_esw_indir_table_decap_vport(attr))
vport = mlx5_esw_indir_table_decap_vport(attr);
if (attr && !attr->chain && esw_attr->int_port)
if (!attr->chain && esw_attr && esw_attr->int_port)
metadata =
mlx5e_tc_int_port_get_metadata_for_match(esw_attr->int_port);
else