Re: [PATCH] common/cnxk: fix missing null check for inline device

[Jerin Jacob <jerinjacobk@gmail.com>]

On Mon, Mar 28, 2022 at 4:11 PM Volodymyr Fialko <vfialko@marvell.com> wrote:
>
> Inline device could be null in cases when it was not bound or missing.
> Added check to prevent null pointer access.
>
> Fixes: fe5846bcc07 ("net/cnxk: add devargs for min-max SPI")
>
> Cc: stable@dpdk.org
>
> Signed-off-by: Volodymyr Fialko <vfialko@marvell.com>


Acked-by: Jerin Jacob <jerinj@marvell.com>
Applied to dpdk-next-net-mrvl/for-next-net. Thanks


> ---
>  drivers/common/cnxk/roc_nix_inl.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/common/cnxk/roc_nix_inl.c b/drivers/common/cnxk/roc_nix_inl.c
> index 877a9f1aa8..d0a38d2d4d 100644
> --- a/drivers/common/cnxk/roc_nix_inl.c
> +++ b/drivers/common/cnxk/roc_nix_inl.c
> @@ -158,6 +158,8 @@ roc_nix_inl_inb_spi_range(struct roc_nix *roc_nix, bool inb_inl_dev,
>
>         inl_dev = idev->nix_inl_dev;
>         if (inb_inl_dev) {
> +               if (inl_dev == NULL)
> +                       goto exit;
>                 min = inl_dev->ipsec_in_min_spi;
>                 max = inl_dev->ipsec_in_max_spi;
>                 mask = inl_dev->inb_spi_mask;
> --
> 2.25.1
>