[dpdk-dev] [PATCH] common/cnxk: fix Coverity issues

[Jerin Jacob]

On Wed, Feb 28, 2024 at 12:25 PM <psatheesh at marvell.com> wrote:
>
> From: Satheesh Paul <psatheesh at marvell.com>


Please change the subject "common/cnxk: fix Coverity issues" and align
on what is fixed and send as separate patches.



> Fix Out-of-bounds access and remove dead code
> reported by Coverity.
>
> Coverity issue: 384431, 384439, 380992
> Fixes: 585bb3e538f9 ("common/cnxk: add VF support to base device class")
> Fixes: da1ec39060b2 ("common/cnxk: delay inline device RQ enable to dev start")
> Cc: stable at dpdk.org
>
> Signed-off-by: Satheesh Paul <psatheesh at marvell.com>
> Reviewed-by: Nithin Dabilpuram <ndabilpuram at marvell.com>
> Reviewed-by: Harman Kalra <hkalra at marvell.com>
> ---
>  drivers/common/cnxk/roc_dev.c     | 2 ++
>  drivers/common/cnxk/roc_nix_inl.c | 3 +--
>  2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/common/cnxk/roc_dev.c b/drivers/common/cnxk/roc_dev.c
> index 084343c3b4..14aff233d5 100644
> --- a/drivers/common/cnxk/roc_dev.c
> +++ b/drivers/common/cnxk/roc_dev.c
> @@ -502,6 +502,8 @@ pf_vf_mbox_send_up_msg(struct dev *dev, void *rec_msg)
>         size_t size;
>
>         size = PLT_ALIGN(mbox_id2size(msg->hdr.id), MBOX_MSG_ALIGN);
> +       if (size < sizeof(struct mbox_msghdr))
> +               return;
>         /* Send UP message to all VF's */
>         for (vf = 0; vf < vf_mbox->ndevs; vf++) {
>                 /* VF active */
> diff --git a/drivers/common/cnxk/roc_nix_inl.c b/drivers/common/cnxk/roc_nix_inl.c
> index a205c658e9..7dbeae5017 100644
> --- a/drivers/common/cnxk/roc_nix_inl.c
> +++ b/drivers/common/cnxk/roc_nix_inl.c
> @@ -677,8 +677,7 @@ roc_nix_reassembly_configure(uint32_t max_wait_time, uint16_t max_frags)
>                 return -EFAULT;
>
>         PLT_SET_USED(max_frags);
> -       if (idev == NULL)
> -               return -ENOTSUP;
> +
>         roc_cpt = idev->cpt;
>         if (!roc_cpt) {
>                 plt_err("Cannot support inline inbound, cryptodev not probed");
> --
> 2.39.2
>