[PATCH 00/20] pktmbuf free bulk cleanups

Stephen Hemminger stephen at networkplumber.org
Fri May 8 22:33:21 CEST 2026


Looking at one driver noticed that rte_pktmbuf_free_bulk
was not being used. That motivated me to make a coccinelle
script to do a tree wide cleanup.

Then noticed that callers were having to check for NULL
before calling rte_pktmbuf_free_bulk, so changed it to
handle NULL array similar to free() and rte_free().

Do another tree wide pass to fix that and catch some
other unnecessary null checks in code.

Stephen Hemminger (20):
  devtools/cocci: add transform for rte_pktmbuf_free_bulk
  eventdev: use rte_pktmbuf_free_bulk
  gso: use rte_pktmbuf_free_bulk
  ip_frag: use rte_pktmbuf_free_bulk
  pipeline: use rte_pktmbuf_free_bulk
  port: use rte_pktmbuf_free_bulk
  net/af_xdp: use rte_pktmbuf_free_bulk
  net/cnxk: use rte_pktmbuf_free_bulk
  net/pfe: use rte_pktmbuf_free_bulk
  net/virtio: use rte_pktmbuf_free_bulk
  net/zxdh: use rte_pktmbuf_free_bulk
  app/compress-perf: use rte_pktmbuf_free_bulk
  mbuf: allow NULL array in rte_pktmbuf_free_bulk
  net/zxdh: remove unnecessary null check
  net/ice: remove unnecessary null check
  net/bnxt: remove unnecessary null check
  test: use rte_pktmbuf_free_bulk
  app/test-dma-perf: remove unnecessary null check
  app/test-compress-perf: remove unnecessary null check
  examples: use rte_pktmbuf_free_bulk

 .../comp_perf_test_common.c                   |  8 +--
 app/test-compress-perf/main.c                 |  6 +-
 app/test-dma-perf/benchmark.c                 |  6 +-
 app/test/sample_packet_forward.c              |  5 +-
 app/test/test_distributor.c                   |  4 +-
 app/test/test_dmadev.c                        |  6 +-
 app/test/test_ipfrag.c                        |  4 +-
 app/test/test_link_bonding.c                  | 13 ++---
 app/test/test_pmd_perf.c                      |  3 +-
 app/test/test_pmd_tap.c                       |  3 +-
 app/test/test_reorder.c                       | 12 ++--
 app/test/test_table_ports.c                   | 12 ++--
 app/test/test_table_tables.c                  | 21 +++----
 devtools/cocci/free_bulk.cocci                | 57 +++++++++++++++++++
 devtools/cocci/nullfree.cocci                 |  5 +-
 doc/guides/rel_notes/release_26_07.rst        |  5 ++
 drivers/net/af_xdp/rte_eth_af_xdp.c           |  3 +-
 drivers/net/bnxt/tf_core/v3/tfo.c             |  6 +-
 drivers/net/bnxt/tf_ulp/ulp_sc_mgr.c          |  6 +-
 drivers/net/cnxk/cnxk_ethdev.c                |  5 +-
 drivers/net/intel/ice/ice_dcf_sched.c         |  6 +-
 drivers/net/pfe/pfe_ethdev.c                  |  4 +-
 drivers/net/virtio/virtio_rxtx.c              | 20 +++----
 drivers/net/zxdh/zxdh_np.c                    |  3 +-
 drivers/net/zxdh/zxdh_queue.c                 |  7 +--
 drivers/net/zxdh/zxdh_rxtx.c                  |  3 +-
 examples/bbdev_app/main.c                     |  4 +-
 examples/l2fwd-crypto/main.c                  |  4 +-
 .../client_server_mp/mp_client/client.c       |  7 +--
 .../client_server_mp/mp_server/main.c         |  5 +-
 examples/ntb/ntb_fwd.c                        | 12 ++--
 examples/packet_ordering/main.c               |  5 +-
 examples/server_node_efd/efd_node/node.c      |  7 +--
 examples/server_node_efd/efd_server/main.c    |  5 +-
 examples/vhost/main.c                         |  3 +-
 lib/eventdev/rte_event_eth_tx_adapter.c       |  4 +-
 lib/gso/gso_common.c                          |  5 +-
 lib/ip_frag/rte_ipv6_fragmentation.c          |  4 +-
 lib/mbuf/rte_mbuf.c                           |  3 +
 lib/mbuf/rte_mbuf.h                           |  1 +
 lib/pipeline/rte_pipeline.c                   |  4 +-
 lib/port/rte_port_fd.c                        |  6 +-
 lib/port/rte_swx_port_fd.c                    |  8 +--
 lib/port/rte_swx_port_source_sink.c           |  6 +-
 44 files changed, 152 insertions(+), 174 deletions(-)
 create mode 100644 devtools/cocci/free_bulk.cocci

-- 
2.53.0



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