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alistair23-linux/drivers/net/ethernet/mellanox/mlx5
Dinghao Liu c3c7748867 net/mlx5e: Fix two double free cases
commit 7a6eb072a9 upstream.

mlx5e_create_ttc_table_groups() frees ft->g on failure of
kvzalloc(), but such failure will be caught by its caller
in mlx5e_create_ttc_table() and ft->g will be freed again
in mlx5e_destroy_flow_table(). The same issue also occurs
in mlx5e_create_ttc_table_groups(). Set ft->g to NULL after
kfree() to avoid double free.

Fixes: 7b3722fa9e ("net/mlx5e: Support RSS for GRE tunneled packets")
Fixes: 33cfaaa8f3 ("net/mlx5e: Split the main flow steering table")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-17 14:05:37 +01:00
..
core net/mlx5e: Fix two double free cases 2021-01-17 14:05:37 +01:00