common/cnxk: fix Coverity issues
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Commit Message
From: Satheesh Paul <psatheesh@marvell.com>
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@dpdk.org
Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
Reviewed-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Reviewed-by: Harman Kalra <hkalra@marvell.com>
---
drivers/common/cnxk/roc_dev.c | 2 ++
drivers/common/cnxk/roc_nix_inl.c | 3 +--
2 files changed, 3 insertions(+), 2 deletions(-)
Comments
On Wed, Feb 28, 2024 at 12:25 PM <psatheesh@marvell.com> wrote:
>
> From: Satheesh Paul <psatheesh@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@dpdk.org
>
> Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
> Reviewed-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
> Reviewed-by: Harman Kalra <hkalra@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
>
@@ -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 */
@@ -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");