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Message-ID: <CANiDSCuR6EeR2MoSH6xtJ0G07QfJsxCb116uL8ocJnwZJSh4Dg@mail.gmail.com> Date: Mon, 15 Apr 2024 23:16:55 +0200 From: Ricardo Ribalda <ribalda@...omium.org> To: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>, Julia Lawall <Julia.Lawall@...ia.fr> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>, Martin Tuma <martin.tuma@...iteqautomotive.com>, Mauro Carvalho Chehab <mchehab@...nel.org>, Hans Verkuil <hverkuil-cisco@...all.nl>, Hugues Fruchet <hugues.fruchet@...s.st.com>, Alain Volmat <alain.volmat@...s.st.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, Alexandre Torgue <alexandre.torgue@...s.st.com>, Paul Kocialkowski <paul.kocialkowski@...tlin.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, Samuel Holland <samuel@...lland.org>, Sakari Ailus <sakari.ailus@...ux.intel.com>, Thierry Reding <thierry.reding@...il.com>, Jonathan Hunter <jonathanh@...dia.com>, Sowjanya Komatineni <skomatineni@...dia.com>, Luca Ceresoli <luca.ceresoli@...tlin.com>, Matthias Brugger <matthias.bgg@...il.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Hans Verkuil <hverkuil@...all.nl>, Sergey Kozlov <serjk@...up.ru>, Abylay Ospan <aospan@...up.ru>, Ezequiel Garcia <ezequiel@...guardiasur.com.ar>, Dmitry Osipenko <digetx@...il.com>, Stanimir Varbanov <stanimir.k.varbanov@...il.com>, Vikash Garodia <quic_vgarodia@...cinc.com>, "Bryan O'Donoghue" <bryan.odonoghue@...aro.org>, Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, Benjamin Mugnier <benjamin.mugnier@...s.st.com>, Sylvain Petinot <sylvain.petinot@...s.st.com>, Jacopo Mondi <jacopo+renesas@...ndi.org>, Kieran Bingham <kieran.bingham+renesas@...asonboard.com>, Pavel Machek <pavel@....cz>, linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, linux-arm-kernel@...ts.infradead.org, linux-staging@...ts.linux.dev, linux-sunxi@...ts.linux.dev, linux-tegra@...r.kernel.org, linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org Subject: Re: [PATCH 00/35] media: Fix coccinelle warning/errors Hi Niklas On Mon, 15 Apr 2024 at 22:33, Niklas Söderlund <niklas.soderlund+renesas@...natech.se> wrote: > > Hi Ricardo, > > Thanks for cleaning up. > > On 2024-04-15 21:58:58 +0200, Ricardo Ribalda wrote: > > Hi Laurent > > > > On Mon, 15 Apr 2024 at 21:54, Laurent Pinchart > > <laurent.pinchart@...asonboard.com> wrote: > > > > > > Hi Ricardo, > > > > > > I'm afraid I won't have time to review any of this for the time being. > > > Unless you would like me to put uvcvideo reviews on hold ;-) > > > > > > Jokes aside, my first reaction was that this feels like a bit of a waste > > > of maintainer's time :-S > > > > This is part of the media-ci effort. > > > > It is definitely not the most fun patches to do or review, but someone > > has to do it :) > > > > The whole idea is that we want to get as little warnings as possible > > from the static analysers, after this patchset we almost achieve that. > > I understand and I think it's a good goal to aim for zero warnings. But > some of the fixes here are IMHO not helpful, for example I find this > type of change counter productive. > > - return ret < 0 ? ret : 0; > + > + if (ret < 0) > + return ret; > + return 0; I was on the edge on those ones as well... Maybe we can try to fix the .cocci file to ignore that pattern? https://lore.kernel.org/lkml/20240415-minimax-v1-1-5feb20d66a79@chromium.org/T/#u Regards! > > Maybe it's better to disable this type of checks in the linter? > > > > > It is only 2 trivial uvc patches, I can ask someone from my team to > > review it if you want and trust them ;) > > > > Regards! > > > > > > > > On Mon, Apr 15, 2024 at 07:34:17PM +0000, 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 > > > > > > > > Signed-off-by: Ricardo Ribalda <ribalda@...omium.org> > > > > --- > > > > Ricardo Ribalda (35): > > > > media: pci: mgb4: Refactor struct resources > > > > media: stb0899: Remove unreacheable code > > > > 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: venus: Use div64_u64 > > > > media: i2c: st-mipid02: Use the correct div function > > > > media: dvb-frontends: tda10048: Use the right div > > > > media: tc358746: Use the correct div_ function > > > > media: venus: Use the correct div_ function > > > > media: venus: Refator return path > > > > media: dib0700: Refator return path > > > > media: usb: cx231xx: Refator return path > > > > media: i2c: rdacm20: Refator return path > > > > media: i2c: et8ek8: Refator return path > > > > media: cx231xx: Refator return path > > > > media: si4713: Refator return path > > > > media: ttpci: Refator return path > > > > media: hdpvr: Refator return path > > > > media: venus: Refator return path > > > > > > > > drivers/media/common/saa7146/saa7146_hlp.c | 8 +++---- > > > > drivers/media/dvb-frontends/drx39xyj/drxj.c | 9 +++----- > > > > drivers/media/dvb-frontends/stb0899_drv.c | 5 ----- > > > > drivers/media/dvb-frontends/tda10048.c | 3 +-- > > > > drivers/media/dvb-frontends/tda18271c2dd.c | 4 ++-- > > > > drivers/media/i2c/et8ek8/et8ek8_driver.c | 4 +++- > > > > drivers/media/i2c/rdacm20.c | 5 ++++- > > > > 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 +- > > > > drivers/media/pci/ttpci/budget-core.c | 5 ++++- > > > > .../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 | 15 +++++++------ > > > > drivers/media/platform/qcom/venus/venc.c | 19 +++++++++------- > > > > .../platform/st/stm32/stm32-dcmipp/dcmipp-core.c | 5 +---- > > > > drivers/media/radio/si4713/radio-usb-si4713.c | 8 +++++-- > > > > drivers/media/usb/au0828/au0828-video.c | 5 +---- > > > > drivers/media/usb/b2c2/flexcop-usb.c | 5 +---- > > > > drivers/media/usb/cx231xx/cx231xx-i2c.c | 16 +++++++++---- > > > > drivers/media/usb/cx231xx/cx231xx-video.c | 10 +++++++-- > > > > drivers/media/usb/dvb-usb/dib0700_core.c | 4 +++- > > > > drivers/media/usb/go7007/go7007-fw.c | 4 ++-- > > > > drivers/media/usb/gspca/cpia1.c | 6 ++--- > > > > drivers/media/usb/hdpvr/hdpvr-control.c | 4 +++- > > > > 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 | 8 +++---- > > > > drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.c | 1 - > > > > drivers/staging/media/tegra-video/tegra20.c | 9 ++------ > > > > 36 files changed, 132 insertions(+), 129 deletions(-) > > > > --- > > > > base-commit: 71b3ed53b08d87212fbbe51bdc3bf44eb8c462f8 > > > > change-id: 20240415-fix-cocci-2df3ef22a6f7 > > > > > > > > Best regards, > > > > > > -- > > > Regards, > > > > > > Laurent Pinchart > > > > > > > > -- > > Ricardo Ribalda > > -- > Kind Regards, > Niklas Söderlund -- Ricardo Ribalda
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