Re: [PATCH -next] RDMA/mlx5: unchecked return value

From: Leon Romanovsky
Date: Sun Jul 31 2022 - 04:34:26 EST


On Sat, Jul 30, 2022 at 04:02:42PM +0530, Sebin Sebastian wrote:
> Unchecked return value warning as reported by Coverity static analyzer
> tool. check the return value of mlx5_ib_ft_type_to_namespace().
>
> Signed-off-by: Sebin Sebastian <mailmesebin00@xxxxxxxxx>
> ---
> drivers/infiniband/hw/mlx5/fs.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)

Thanks, I had similar patch in my internal queue.
https://lore.kernel.org/linux-rdma/7b9ceda217d9368a51dc47a46b769bad4af9ac92.1659256069.git.leonro@xxxxxxxxxx/T/#u

>
> diff --git a/drivers/infiniband/hw/mlx5/fs.c b/drivers/infiniband/hw/mlx5/fs.c
> index 691d00c89f33..617e0e9c0c8e 100644
> --- a/drivers/infiniband/hw/mlx5/fs.c
> +++ b/drivers/infiniband/hw/mlx5/fs.c
> @@ -2079,9 +2079,12 @@ static int mlx5_ib_matcher_ns(struct uverbs_attr_bundle *attrs,
> return err;
>
> if (flags) {
> - mlx5_ib_ft_type_to_namespace(
> + err = mlx5_ib_ft_type_to_namespace(
> MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX,
> &obj->ns_type);
> + if (err)
> + return err;
> +
> return 0;
> }
> }
> --
> 2.34.1
>