On Sat, Feb 12, 2022 at 6:08 PM Gowrishankar Muthukrishnan
<gmuthukri...@marvell.com> wrote:
>
> This patch fixes coverity issue by adding checks on return values.
>
> Coverity issue: 373628, 374858, 370213, 370215
> Fixes: af75aac78978 ("common/cnxk: support telemetry for NIX")
> Fixes: d61138d4f0e ("drivers: remove direct access to interrupt handle")
> Fixes: fcdef46b669 ("common/cnxk: support NIX TM debug and misc utils")
> Fixes: df405df95ee ("common/cnxk: add NIX TM helper to alloc/free resource")
>
> Signed-off-by: Gowrishankar Muthukrishnan <gmuthukri...@marvell.com>
Series Acked-by: Jerin Jacob <jer...@marvell.com>
Series applied to dpdk-next-net-mrvl/for-next-net. Thanks.
> ---
> drivers/common/cnxk/cnxk_telemetry_nix.c | 3 +++
> drivers/common/cnxk/roc_irq.c | 5 ++++-
> drivers/common/cnxk/roc_nix_debug.c | 4 +++-
> drivers/common/cnxk/roc_nix_tm.c | 6 ++++--
> 4 files changed, 14 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/common/cnxk/cnxk_telemetry_nix.c
> b/drivers/common/cnxk/cnxk_telemetry_nix.c
> index df6458039d..4119e9ee4f 100644
> --- a/drivers/common/cnxk/cnxk_telemetry_nix.c
> +++ b/drivers/common/cnxk/cnxk_telemetry_nix.c
> @@ -765,6 +765,9 @@ cnxk_nix_tel_handle_info_x(const char *cmd, const char
> *params,
>
> plt_strlcpy(buf, params, PCI_PRI_STR_SIZE + 1);
> name = strtok(buf, ",");
> + if (name == NULL)
> + goto exit;
> +
> param = strtok(NULL, "\0");
>
> node = nix_tel_node_get_by_pcidev_name(name);
> diff --git a/drivers/common/cnxk/roc_irq.c b/drivers/common/cnxk/roc_irq.c
> index 7a24297d72..010b121176 100644
> --- a/drivers/common/cnxk/roc_irq.c
> +++ b/drivers/common/cnxk/roc_irq.c
> @@ -160,7 +160,10 @@ dev_irq_register(struct plt_intr_handle *intr_handle,
> plt_intr_callback_fn cb,
> return rc;
> }
>
> - plt_intr_efds_index_set(intr_handle, vec, fd);
> + rc = plt_intr_efds_index_set(intr_handle, vec, fd);
> + if (rc)
> + return rc;
> +
> nb_efd = (vec > (uint32_t)plt_intr_nb_efd_get(intr_handle)) ?
> vec : (uint32_t)plt_intr_nb_efd_get(intr_handle);
> plt_intr_nb_efd_set(intr_handle, nb_efd);
> diff --git a/drivers/common/cnxk/roc_nix_debug.c
> b/drivers/common/cnxk/roc_nix_debug.c
> index d5143882f5..1ae045172e 100644
> --- a/drivers/common/cnxk/roc_nix_debug.c
> +++ b/drivers/common/cnxk/roc_nix_debug.c
> @@ -52,7 +52,9 @@ nix_bitmap_dump(struct plt_bitmap *bmp)
> int i;
>
> plt_bitmap_scan_init(bmp);
> - plt_bitmap_scan(bmp, &pos, &slab);
> + if (!plt_bitmap_scan(bmp, &pos, &slab))
> + return;
> +
> start_pos = pos;
>
> nix_dump_no_nl(" \t\t[");
> diff --git a/drivers/common/cnxk/roc_nix_tm.c
> b/drivers/common/cnxk/roc_nix_tm.c
> index a0448bec61..517502b1af 100644
> --- a/drivers/common/cnxk/roc_nix_tm.c
> +++ b/drivers/common/cnxk/roc_nix_tm.c
> @@ -1016,8 +1016,10 @@ nix_tm_assign_hw_id(struct nix *nix, struct
> nix_tm_node *parent,
> return -EFAULT;
> }
>
> - if (!slab)
> - plt_bitmap_scan(bmp, &pos, &slab);
> + if (!slab) {
> + if (!plt_bitmap_scan(bmp, &pos, &slab))
> + return -ENOENT;
> + }
>
> if (child->priority == parent->rr_prio && spare_schq != -1) {
> /* Use spare schq first if present */
> --
> 2.25.1
>
