[PATCH 00/35] Reorganize kerneldoc parameter names

Julia Lawall Julia.Lawall at inria.fr
Mon Sep 30 13:20:46 CEST 2024


Reorganize kerneldoc parameter names to match the parameter
order in the function header.

The misordered cases were identified using the following
Coccinelle semantic patch:

// <smpl>
@initialize:ocaml@
@@

let parse_doc l =
  let pieces = List.map String.trim (String.split_on_char '*' l) in
  let l = String.concat " " pieces in
  match String.split_on_char ':' l with
    x::xs -> x
  | _ -> ""

let params ps =
  List.rev
    (List.fold_left
       (fun prev (pm,_) ->
	 let ty =
	   String.trim(Pretty_print_c.string_of_fullType pm.Ast_c.p_type) in
	 if ty = "void" && pm.Ast_c.p_namei = None
	 then prev
	 else
	   let name =
	     match pm.Ast_c.p_namei with
	       Some name -> name
	     | None -> failwith "function parameter has no name" in
	   (String.trim (Pretty_print_c.string_of_name name),ty)::prev)
       [] ps)

@r@
comments c;
identifier fn;
position p;
parameter list ps;
type T;
@@

T at c fn at p(ps) { ... }

@script:ocaml@
p << r.p;
c << r.c;
(_,ps) << r.ps;
@@

let isdoc c ps =
  List.length ps > 1 &&
  (let c = String.trim c in
  String.length c > 3 && String.sub c 0 3 = "/**" && String.get c 3 != '*') in

let subset l1 l2 =
  List.for_all (fun x -> List.mem x l2) l1 in

let (cb,cm,ca) = List.hd c in
match List.rev cb with
  c::_ when isdoc c ps ->
    let pieces = String.split_on_char '@' c in
    (match pieces with
      _::tl ->
	let d_names = List.map parse_doc tl in
	(* check parameters *)
	let p_names = List.map fst (params ps) in
	if d_names <> [] && not(d_names = p_names)
	then
	  begin
	    if List.sort compare d_names = List.sort compare p_names
	    then Coccilib.print_main "out of order" p
	    else if subset d_names p_names
	    then Coccilib.print_main "doc is missing a parameter" p
	    else if subset d_names p_names
	    then Coccilib.print_main "doc has an extra parameter" p
	  end
    | _ -> ())
| _ -> ()
// </smpl>

---

 arch/arm/mach-omap2/prm2xxx_3xxx.c              |    1 -
 arch/powerpc/platforms/ps3/interrupt.c          |    2 +-
 arch/powerpc/platforms/ps3/repository.c         |    2 +-
 drivers/base/firmware_loader/main.c             |    2 +-
 drivers/comedi/drivers/comedi_8254.c            |    2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c          |    2 +-
 drivers/gpu/drm/amd/display/dc/core/dc.c        |    2 +-
 drivers/gpu/drm/drm_gem_framebuffer_helper.c    |    3 +--
 drivers/gpu/drm/drm_gpuvm.c                     |    2 +-
 drivers/gpu/drm/radeon/radeon_ib.c              |    2 +-
 drivers/iommu/iommu.c                           |    2 +-
 drivers/leds/leds-gpio-register.c               |    2 +-
 drivers/mfd/atmel-smc.c                         |    4 ++--
 drivers/misc/mei/bus.c                          |    2 +-
 drivers/mtd/ubi/eba.c                           |    2 +-
 drivers/net/ethernet/broadcom/bnxt/bnxt_hwrm.c  |    2 +-
 drivers/net/ethernet/intel/e1000/e1000_hw.c     |    2 +-
 drivers/net/ethernet/intel/i40e/i40e_common.c   |    7 +++----
 drivers/net/ethernet/intel/ice/ice_common.c     |    2 +-
 drivers/net/ethernet/intel/ixgbe/ixgbe_common.c |    2 +-
 drivers/nvdimm/dimm_devs.c                      |    2 +-
 drivers/pci/hotplug/pci_hotplug_core.c          |    2 +-
 drivers/pinctrl/pinmux.c                        |    2 +-
 drivers/slimbus/messaging.c                     |    2 +-
 drivers/soc/qcom/qmi_interface.c                |    2 +-
 drivers/soundwire/stream.c                      |    2 +-
 drivers/usb/gadget/config.c                     |    4 ++--
 fs/char_dev.c                                   |    2 +-
 fs/dcache.c                                     |    4 ++--
 fs/seq_file.c                                   |    2 +-
 kernel/audit.c                                  |    2 +-
 kernel/resource.c                               |    2 +-
 kernel/sysctl.c                                 |    1 -
 kernel/trace/ring_buffer.c                      |    2 +-
 lib/lru_cache.c                                 |    2 +-
 lib/maple_tree.c                                |    2 +-
 mm/mmu_notifier.c                               |    2 +-
 net/dccp/feat.c                                 |    2 +-
 net/mac80211/mesh_hwmp.c                        |    6 +++---
 net/mac80211/mesh_pathtbl.c                     |   10 +++++-----
 net/socket.c                                    |    2 +-
 net/sunrpc/xprt.c                               |    2 +-
 net/tipc/link.c                                 |   14 +++++++-------
 net/tipc/msg.c                                  |    2 +-
 sound/pci/hda/hda_codec.c                       |    2 +-
 45 files changed, 60 insertions(+), 64 deletions(-)


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