Hi Sabrina,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net/master]

url:    
https://github.com/0day-ci/linux/commits/Sabrina-Dubroca/net-ipv4-update-fnhe_pmtu-when-first-hop-s-MTU-changes/20181008-225709
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.retry_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.retry_count' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.lost_packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.last_tdls_pkt_time' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.msdu_retries' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.msdu_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.last_ack' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.last_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.ack_signal_filled' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.avg_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.bytes' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.last_rate' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.msdu' not described in 'sta_info'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_excl.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_excl.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_excl.active' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_shared.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_shared.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_shared.active' not described in 'dma_buf'
   include/linux/dma-fence-array.h:54: warning: Function parameter or member 
'work' not described in 'dma_fence_array'
   include/linux/gpio/driver.h:142: warning: Function parameter or member 
'request_key' not described in 'gpio_irq_chip'
   include/linux/iio/hw-consumer.h:1: warning: no structured comments found
   include/linux/input/sparse-keymap.h:46: warning: Function parameter or 
member 'sw' not described in 'key_entry'
   drivers/pci/pci.c:218: warning: Excess function parameter 'p' description in 
'pci_dev_str_match_path'
   include/linux/regulator/driver.h:227: warning: Function parameter or member 
'resume' not described in 'regulator_ops'
   drivers/regulator/core.c:4479: warning: Excess function parameter 'state' 
description in 'regulator_suspend'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw0' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw1' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw2' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw3' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.eadm' not described in 'irb'
   drivers/slimbus/stream.c:1: warning: no structured comments found
   drivers/target/target_core_device.c:1: warning: no structured comments found
   drivers/usb/typec/bus.c:1: warning: no structured comments found
   drivers/usb/typec/class.c:1: warning: no structured comments found
   include/linux/w1.h:281: warning: Function parameter or member 
'of_match_table' not described in 'w1_family'
   fs/direct-io.c:257: warning: Excess function parameter 'offset' description 
in 'dio_complete'
   fs/file_table.c:1: warning: no structured comments found
   fs/libfs.c:477: warning: Excess function parameter 'available' description 
in 'simple_write_end'
   fs/posix_acl.c:646: warning: Function parameter or member 'inode' not 
described in 'posix_acl_update_mode'
   fs/posix_acl.c:646: warning: Function parameter or member 'mode_p' not 
described in 'posix_acl_update_mode'
   fs/posix_acl.c:646: warning: Function parameter or member 'acl' not 
described in 'posix_acl_update_mode'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:183: warning: Function parameter or 
member 'blockable' not described in 'amdgpu_mn_read_lock'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:254: warning: Function parameter or 
member 'blockable' not described in 'amdgpu_mn_invalidate_range_start_gfx'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:302: warning: Function parameter or 
member 'blockable' not described in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:3011: warning: Excess function 
parameter 'dev' description in 'amdgpu_vm_get_task_info'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:3012: warning: Function parameter or 
member 'adev' not described in 'amdgpu_vm_get_task_info'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:3012: warning: Excess function 
parameter 'dev' description in 'amdgpu_vm_get_task_info'
   include/drm/drm_drv.h:610: warning: Function parameter or member 
'gem_prime_pin' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 
'gem_prime_unpin' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 
'gem_prime_res_obj' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 
'gem_prime_get_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 
'gem_prime_import_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 
'gem_prime_vmap' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 
'gem_prime_vunmap' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 
'gem_prime_mmap' not described in 'drm_driver'
   drivers/gpu/drm/i915/i915_vma.h:49: warning: cannot understand function 
prototype: 'struct i915_vma '
   drivers/gpu/drm/i915/i915_vma.h:1: warning: no structured comments found
   drivers/gpu/drm/i915/intel_guc_fwif.h:553: warning: cannot understand 
function prototype: 'struct guc_log_buffer_state '
   drivers/gpu/drm/i915/i915_trace.h:1: warning: no structured comments found
   include/linux/skbuff.h:860: warning: Function parameter or member 
'dev_scratch' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 'list' not 
described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'ip_defrag_offset' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'skb_mstamp' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'__cloned_offset' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'head_frag' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'__pkt_type_offset' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'encapsulation' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'encap_hdr_csum' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'csum_valid' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'csum_complete_sw' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'csum_level' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'inner_protocol_type' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'remcsum_offload' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'offload_fwd_mark' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'offload_mr_fwd_mark' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'sender_cpu' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'reserved_tailroom' not described in 'sk_buff'
   include/linux/skbuff.h:860: warning: Function parameter or member 
'inner_ipproto' not described in 'sk_buff'
   include/net/sock.h:238: warning: Function parameter or member 'skc_addrpair' 
not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_portpair' 
not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_ipv6only' 
not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 
'skc_net_refcnt' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_v6_daddr' 
not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 
'skc_v6_rcv_saddr' not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_cookie' 
not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_listener' 
not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_tw_dr' 
not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 'skc_rcv_wnd' 
not described in 'sock_common'
   include/net/sock.h:238: warning: Function parameter or member 
'skc_tw_rcv_nxt' not described in 'sock_common'
   include/net/sock.h:509: warning: Function parameter or member 
'sk_backlog.rmem_alloc' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 
'sk_backlog.len' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 
'sk_backlog.head' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 
'sk_backlog.tail' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 'sk_wq_raw' 
not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 
'tcp_rtx_queue' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 
'sk_route_forced_caps' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 
'sk_txtime_report_errors' not described in 'sock'
   include/net/sock.h:509: warning: Function parameter or member 
'sk_validate_xmit_skb' not described in 'sock'
>> net/core/dev.c:1767: warning: Function parameter or member 'arg' not 
>> described in 'call_netdevice_notifiers_u32'
   net/core/dev.c:1767: warning: Excess function parameter 'u32' description in 
'call_netdevice_notifiers_u32'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'adj_list.upper' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'adj_list.lower' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'gso_partial_features' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'switchdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'l3mdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'xfrmdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'tlsdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'name_assign_type' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'ieee802154_ptr' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'mpls_ptr' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'xdp_prog' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'gro_flush_timeout' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'nf_hooks_ingress' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'____cacheline_aligned_in_smp' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'qdisc_hash' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'xps_cpus_map' not described in 'net_device'
   include/linux/netdevice.h:2021: warning: Function parameter or member 
'xps_rxqs_map' not described in 'net_device'
   include/linux/phylink.h:56: warning: Function parameter or member 
'__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising' not described in 
'phylink_link_state'
   include/linux/phylink.h:56: warning: Function parameter or member 
'__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising' not described in 
'phylink_link_state'
   sound/soc/soc-core.c:2918: warning: Excess function parameter 
'legacy_dai_naming' description in 'snd_soc_register_dais'
   Documentation/admin-guide/cgroup-v2.rst:1485: WARNING: Block quote ends 
without a blank line; unexpected unindent.
   Documentation/admin-guide/cgroup-v2.rst:1487: WARNING: Block quote ends 
without a blank line; unexpected unindent.
   Documentation/admin-guide/cgroup-v2.rst:1488: WARNING: Block quote ends 
without a blank line; unexpected unindent.
   Documentation/core-api/boot-time-mm.rst:78: ERROR: Error in "kernel-doc" 
directive:
   unknown option: "nodocs".

vim +1767 net/core/dev.c

  1754  
  1755  /**
  1756   *      call_netdevice_notifiers_u32 - call all network notifier blocks
  1757   *      @val: value passed unmodified to notifier function
  1758   *      @dev: net_device pointer passed unmodified to notifier function
  1759   *      @u32: additional u32 argument passed to the notifier function
  1760   *
  1761   *      Call all network notifier blocks.  Parameters and return value
  1762   *      are as for raw_notifier_call_chain().
  1763   */
  1764  int call_netdevice_notifiers_u32(unsigned long val, struct net_device 
*dev,
  1765                                   u32 arg)
  1766  {
> 1767          struct netdev_notifier_info_ext info = {
  1768                  .info.dev = dev,
  1769                  .ext.u32 = arg,
  1770          };
  1771  
  1772          BUILD_BUG_ON(offsetof(struct netdev_notifier_info_ext, info) != 
0);
  1773  
  1774          return call_netdevice_notifiers_info(val, &info.info);
  1775  }
  1776  EXPORT_SYMBOL(call_netdevice_notifiers_u32);
  1777  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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