On 04.03.2021 15:18, Jia-Ju Bai wrote:
> When mlx5_is_fpga_lookaside() returns a non-zero value, no error
> return code is assigned.
> To fix this bug, err is assigned with -EINVAL as error return code.
>
To me it looks like the current behavior is intentional.
Did you verify that it's actually an error condition if the
function returns true? Please don't blindly trust such code checkers.
> Reported-by: TOTE Robot <os...@tsinghua.edu.cn>
> Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com>
> ---
> drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c
> b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c
> index 2ce4241459ce..c9e6da97126f 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c
> @@ -198,8 +198,10 @@ int mlx5_fpga_device_start(struct mlx5_core_dev *mdev)
> mlx5_fpga_info(fdev, "FPGA card %s:%u\n", mlx5_fpga_name(fpga_id),
> fpga_id);
>
> /* No QPs if FPGA does not participate in net processing */
> - if (mlx5_is_fpga_lookaside(fpga_id))
> + if (mlx5_is_fpga_lookaside(fpga_id)) {
> + err = -EINVAL;
> goto out;
> + }
>
> mlx5_fpga_info(fdev, "%s(%d): image, version %u; SBU %06x:%04x version
> %d\n",
> mlx5_fpga_image_name(fdev->last_oper_image),
>
