[RFC 0/2] Eliminate zero length arrays in DPDK

[Morten Brørup]

> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Wednesday, 16 February 2022 00.01
> 
> Yet another case of applying Linux kernel best practices
> to DPDK. Flexible arrays are supported by Clang, GCC and
> Microsoft compilers (part of C99).
> 
> Stephen Hemminger (2):
>   devtools: add script to check for zero length array
>   treewide: replace zero-length array with flex array
> 
>  app/test/test_table_tables.c                  |  2 +-
>  devtools/cocci/zerolengtharray.cocci          | 17 +++++++++++++++++
>  drivers/bus/dpaa/include/netcfg.h             |  4 ++--
>  drivers/common/cnxk/roc_se.h                  |  2 +-
>  drivers/common/dpaax/caamflib/desc/ipsec.h    |  2 +-
>  drivers/common/dpaax/dpaax_iova_table.h       |  2 +-
>  drivers/common/mlx5/mlx5_prm.h                |  8 ++++----
>  drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h     |  2 +-
>  drivers/crypto/ipsec_mb/ipsec_mb_private.h    |  4 ++--
>  drivers/crypto/virtio/virtio_ring.h           |  4 ++--
>  drivers/crypto/virtio/virtqueue.h             |  2 +-
>  drivers/net/cxgbe/clip_tbl.h                  |  2 +-
>  drivers/net/cxgbe/l2t.h                       |  2 +-
>  drivers/net/cxgbe/mps_tcam.h                  |  2 +-
>  drivers/net/cxgbe/smt.h                       |  2 +-
>  drivers/net/enic/base/vnic_devcmd.h           |  4 ++--
>  drivers/net/hinic/hinic_pmd_tx.h              |  2 +-
>  drivers/net/nfp/nfpcore/nfp_nsp.h             |  2 +-
>  drivers/net/virtio/virtio_ring.h              |  4 ++--
>  drivers/net/virtio/virtio_user/vhost_kernel.c |  2 +-
>  drivers/net/virtio/virtio_user/vhost_vdpa.c   |  2 +-
>  drivers/net/virtio/virtqueue.h                |  2 +-
>  drivers/regex/mlx5/mlx5_rxp.h                 |  2 +-
>  examples/ip_reassembly/main.c                 |  2 +-
>  lib/cryptodev/cryptodev_pmd.h                 |  2 +-
>  lib/cryptodev/rte_cryptodev.h                 |  2 +-
>  lib/ip_frag/ip_reassembly.h                   |  2 +-
>  lib/ipsec/sa.h                                |  2 +-
>  lib/rib/rte_rib.c                             |  2 +-
>  lib/rib/rte_rib6.c                            |  2 +-
>  lib/table/rte_swx_table_learner.c             |  2 +-
>  lib/table/rte_table_hash_key16.c              |  4 ++--
>  lib/table/rte_table_hash_key32.c              |  4 ++--
>  lib/table/rte_table_hash_key8.c               |  4 ++--
>  lib/vhost/rte_vhost.h                         |  4 ++--
>  35 files changed, 63 insertions(+), 46 deletions(-)
>  create mode 100644 devtools/cocci/zerolengtharray.cocci
> 
> --
> 2.34.1

Thank you! We must all appreciate the DPDK housekeeping efforts, where it DPDK gets some real love, and not just added support for new bells and whistles in fancy NICs. :-)

Series-Acked-By: Morten Brørup <mb at smartsharesystems.com>