On 06.03.2021 15:07, Jia-Ju Bai wrote:
> When fib_entry is NULL, no error return code of
> mlxsw_sp_router_nve_promote_decap() is assigned.
> To fix this bug, err is assigned with -EINVAL in this case.
>
Again, are you sure this is a bug? To me it looks like it is
intentional to not return an error code if fib_entry is NULL.
Please don't blindly trust the robot results, there may
always be false positives.
> Reported-by: TOTE Robot <os...@tsinghua.edu.cn>
> Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com>
> ---
> drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> index 9ce90841f92d..7b260e25df1b 100644
> --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> @@ -1981,8 +1981,10 @@ int mlxsw_sp_router_nve_promote_decap(struct mlxsw_sp
> *mlxsw_sp, u32 ul_tb_id,
> fib_entry = mlxsw_sp_router_ip2me_fib_entry_find(mlxsw_sp, ul_tb_id,
> ul_proto, ul_sip,
> type);
> - if (!fib_entry)
> + if (!fib_entry) {
> + err = -EINVAL;
> goto out;
> + }
>
> fib_entry->decap.tunnel_index = tunnel_index;
> fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_NVE_DECAP;
>
