[PATCH v2 00/26] media: Fix coccinelle warning/errors

Hans Verkuil hverkuil at xs4all.nl
Wed Apr 24 04:11:51 PDT 2024


On 19/04/2024 11:47, Ricardo Ribalda wrote:
> After this set is applied, these are the only warnings left:
> drivers/media/pci/ivtv/ivtv-fileops.c:223:4-10: preceding lock on line 267
> drivers/media/pci/ivtv/ivtv-fileops.c:230:3-9: preceding lock on line 267
> drivers/media/pci/ivtv/ivtv-fileops.c:236:4-10: preceding lock on line 267
> drivers/media/pci/ivtv/ivtv-fileops.c:245:3-9: preceding lock on line 267
> drivers/media/pci/ivtv/ivtv-fileops.c:251:3-9: preceding lock on line 267
> drivers/media/pci/ivtv/ivtv-fileops.c:257:3-9: preceding lock on line 267
> drivers/media/pci/ivtv/ivtv-fileops.c:272:3-9: preceding lock on line 267
> drivers/media/pci/ivtv/ivtv-fileops.c:598:4-10: preceding lock on line 627
> drivers/media/pci/ivtv/ivtv-fileops.c:598:4-10: preceding lock on line 689
> drivers/media/pci/ivtv/ivtv-fileops.c:606:3-9: preceding lock on line 627
> drivers/media/pci/ivtv/ivtv-fileops.c:606:3-9: preceding lock on line 689
> drivers/media/pci/ivtv/ivtv-fileops.c:648:3-9: preceding lock on line 627
> drivers/media/pci/ivtv/ivtv-fileops.c:648:3-9: preceding lock on line 689
> drivers/media/pci/ivtv/ivtv-fileops.c:692:4-10: preceding lock on line 689
> drivers/media/dvb-core/dvb_frontend.c:2897:1-7: preceding lock on line 2776
> drivers/media/dvb-core/dvb_frontend.c:2897:1-7: preceding lock on line 2786
> drivers/media/dvb-core/dvb_frontend.c:2897:1-7: preceding lock on line 2809
> drivers/media/dvb-frontends/stv090x.c:799:1-7: preceding lock on line 768
> drivers/media/usb/go7007/go7007-i2c.c:125:1-7: preceding lock on line 61
> drivers/media/rc/imon.c:1167:1-7: preceding lock on line 1153
> drivers/media/pci/cx18/cx18-scb.h:261:22-29: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:77:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:85:5-16: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:154:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:171:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:180:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:189:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:201:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:220:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:230:5-16: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:764:5-15: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1008:43-60: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1014:36-46: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1041:5-15: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1088:39-51: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1093:5-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1144:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1239:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1267:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1272:4-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/common/siano/smscoreapi.h:619:5-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/common/siano/smscoreapi.h:669:6-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/common/siano/smscoreapi.h:1049:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/common/siano/smscoreapi.h:1055:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/dvb-frontends/mxl5xx_defs.h:171:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/dvb-frontends/mxl5xx_defs.h:182:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/allegro-dvt/nal-hevc.h:102:14-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/xilinx/xilinx-dma.h:100:19-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/staging/media/atomisp/pci/atomisp_tpg.h:30:18-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> CI tested:
> https://gitlab.freedesktop.org/linux-media/media-staging/-/commit/055b5211c68e721c3a7090be5373cf44859da1a7/pipelines?ref=ribalda%2Ftest-cocci

Other than what others already reported, plus my own two comments, this series
looks good. So likely I can pick up v3 once it is posted.

Regards,

	Hans

> 
> Signed-off-by: Ricardo Ribalda <ribalda at chromium.org>
> ---
> Changes in v2:
> - Remove all the min() retval, and send a patch for cocci:  https://lore.kernel.org/lkml/20240415-minimax-v1-1-5feb20d66a79@chromium.org/T/#u
> - platform_get_irq() cannot return 0, fix that (Thanks Dan).
> - Fix stb0800 patch. chip_id can be 0 (Thanks Dan).
> - Use runtime (IS_ENABLED), code looks nicer. (Thanks Dan).
> - Do not replace do_div for venus (Thanks Dan).
> - Do not replace do_div for tda10048 (Thanks Dan).
> - Link to v1: https://lore.kernel.org/r/20240415-fix-cocci-v1-0-477afb23728b@chromium.org
> 
> ---
> Ricardo Ribalda (26):
>       media: pci: mgb4: Refactor struct resources
>       media: stb0899: Simplify check
>       media: uvcvideo: Refactor iterators
>       media: uvcvideo: Use max() macro
>       media: go7007: Use min and max macros
>       media: stm32-dcmipp: Remove redundant printk
>       media: staging: sun6i-isp: Remove redundant printk
>       media: dvb-frontends: tda18271c2dd: Remove casting during div
>       media: v4l: async: refactor v4l2_async_create_ancillary_links
>       staging: media: tegra-video: Use swap macro
>       media: s2255: Use refcount_t instead of atomic_t for num_channels
>       media: platform: mtk-mdp3: Use refcount_t for job_count
>       media: common: saa7146: Use min macro
>       media: dvb-frontends: drx39xyj: Use min macro
>       media: netup_unidvb: Use min macro
>       media: au0828: Use min macro
>       media: flexcop-usb: Use min macro
>       media: gspca: cpia1: Use min macro
>       media: stk1160: Use min macro
>       media: tegra-vde: Refactor timeout handling
>       media: i2c: st-mipid02: Use the correct div function
>       media: tc358746: Use the correct div_ function
>       media: venus: vdec: Make explicit the range of us_per_frame
>       media: venus: venc: Make explicit the range of us_per_frame
>       media: dvb-frontends: tda10048: Fix integer overflow
>       media: dvb-frontends: tda10048: Make explicit the range of z.
> 
>  drivers/media/common/saa7146/saa7146_hlp.c         |  8 +++----
>  drivers/media/dvb-frontends/drx39xyj/drxj.c        |  9 +++-----
>  drivers/media/dvb-frontends/stb0899_drv.c          |  2 +-
>  drivers/media/dvb-frontends/tda10048.c             | 13 +++++++----
>  drivers/media/dvb-frontends/tda18271c2dd.c         |  4 ++--
>  drivers/media/i2c/st-mipid02.c                     |  2 +-
>  drivers/media/i2c/tc358746.c                       |  3 +--
>  drivers/media/pci/mgb4/mgb4_core.c                 |  4 ++--
>  drivers/media/pci/mgb4/mgb4_regs.c                 |  2 +-
>  drivers/media/pci/netup_unidvb/netup_unidvb_i2c.c  |  2 +-
>  .../media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c   | 10 ++++-----
>  .../media/platform/mediatek/mdp3/mtk-mdp3-core.c   |  6 ++---
>  .../media/platform/mediatek/mdp3/mtk-mdp3-core.h   |  2 +-
>  .../media/platform/mediatek/mdp3/mtk-mdp3-m2m.c    |  6 ++---
>  drivers/media/platform/nvidia/tegra-vde/h264.c     |  6 ++---
>  drivers/media/platform/qcom/venus/vdec.c           |  7 ++----
>  drivers/media/platform/qcom/venus/venc.c           |  7 ++----
>  .../platform/st/stm32/stm32-dcmipp/dcmipp-core.c   |  7 ++----
>  drivers/media/usb/au0828/au0828-video.c            |  5 +----
>  drivers/media/usb/b2c2/flexcop-usb.c               |  5 +----
>  drivers/media/usb/go7007/go7007-fw.c               |  4 ++--
>  drivers/media/usb/gspca/cpia1.c                    |  6 ++---
>  drivers/media/usb/s2255/s2255drv.c                 | 20 ++++++++---------
>  drivers/media/usb/stk1160/stk1160-video.c          | 10 ++-------
>  drivers/media/usb/uvc/uvc_ctrl.c                   | 26 ++++++++++++----------
>  drivers/media/v4l2-core/v4l2-async.c               |  7 +++---
>  drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.c  |  3 +--
>  drivers/staging/media/tegra-video/tegra20.c        |  9 ++------
>  28 files changed, 84 insertions(+), 111 deletions(-)
> ---
> base-commit: 836e2548524d2dfcb5acaf3be78f203b6b4bde6f
> change-id: 20240415-fix-cocci-2df3ef22a6f7
> 
> Best regards,




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