Re: [PATCH 00/38] media sparse/smatch warn fixes

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On 02/09/2020 18:10, Mauro Carvalho Chehab wrote:
> While I was lately relying on Jenkins to report smatch/sparse issues,
> I discovered this week that the reports were missing such warnings
> 
> I got it fixed already at builder.linuxtv.org, but there are several new
> warnings that got added over time.
> 
> This series is meant to solve the ones that are reported on x86_64
> without pre-building the smatch database.
> 
> It should allow receiving cleaner error reports.
> 
> While most of the patches are meant to shut up the static analizers,
> some contain real bug fixes.
> 
> Mauro Carvalho Chehab (38):
>   media: tda10086: cleanup symbol_rate setting logic
>   media: v4l2-ioctl: avoid memory leaks on some time32 compat functions
>   media: qt1010: fix usage of unititialized value
>   media: av7110_v4l: avoid a typecast
>   media: wl128x: get rid of a potential spectre issue
>   media: venus: place extern venus_fw_debug on a header file
>   media: tda10021: avoid casts when using symbol_rate
>   media: serial_ir: use the right type for a dma address
>   media: vivid: move the detection part out of vivid_create_instance
>   media: vivid: place the logic which disables ioctl on a separate
>     function
>   media: vivid: move set_capabilities logic to a separate function
>   media: vivid: place dt timings init code on a separate function
>   media: vivid: move the create queues to a separate function
>   media: vivid: move the devnode creation logic to a separate function
>   media: vivid: fix error path

For these vivid patches and after fixing the "unused variable 'i'" warning
as reported by the kernel test robot:

Reviewed-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>

Thank you for working on this!

Regards,

	Hans

>   media: videobuf-dma-sg: number of pages should be unsigned long
>   media: cx25821-alsa: number of pages should be unsigned long
>   media: cx23885-alsa: number of pages should be unsigned long
>   media: cx88-alsa: number of pages should be unsigned long
>   media: saa7134-alsa.c: number of pages should be unsigned long
>   media: dvb-ttusb-budget: don't use stack for USB transfers
>   media: dvb-ttusb-budget: cleanup printk logic
>   media: saa7134: avoid a shift overflow
>   media: atomisp: fix casts at atomisp_compat_ioctl32.c
>   media: atomisp: get rid of some unused code
>   media: atomisp: cleanup ifdefs from ia_css_debug.c
>   media: atomisp: get rid of version-dependent globals
>   media: atomisp: get rid of isys_dma.h and isys_dma_local.h
>   media: atomisp: get rid of ibuf_ctrl abstraction
>   media: atomisp: don't check for ISP version for includes
>   media: atomisp: unify INPUT error return type
>   media: atomisp: de-duplicate names at *_input_system_global.h
>   media: atomisp: reorder functions at pixelgen_private.h
>   media: atomisp: remove compile-time tests from input_system_global.h
>   media: atomisp: fix some bad indents
>   media: atomisp: csi_rx.c: add a missing includes
>   media: atomisp: atomisp_gmin_platform: check before use
>   media: atomisp: cleanup isys_irq headers
> 
>  drivers/media/dvb-frontends/tda10021.c        |  38 +-
>  drivers/media/dvb-frontends/tda10086.c        |  22 +-
>  drivers/media/pci/cx23885/cx23885-alsa.c      |   7 +-
>  drivers/media/pci/cx23885/cx23885.h           |   4 +-
>  drivers/media/pci/cx25821/cx25821-alsa.c      |  11 +-
>  drivers/media/pci/cx88/cx88-alsa.c            |  13 +-
>  drivers/media/pci/saa7134/saa7134-alsa.c      |   7 +-
>  drivers/media/pci/saa7134/saa7134-tvaudio.c   |   3 +-
>  drivers/media/pci/saa7134/saa7134.h           |   2 +-
>  drivers/media/pci/ttpci/av7110_v4l.c          |   4 +-
>  drivers/media/platform/qcom/venus/core.h      |   2 +
>  drivers/media/platform/qcom/venus/dbgfs.c     |   2 -
>  drivers/media/radio/wl128x/fmdrv_common.c     |  16 +-
>  drivers/media/rc/serial_ir.c                  |   2 +-
>  drivers/media/test-drivers/vivid/vivid-core.c | 645 ++++++------
>  drivers/media/tuners/qt1010.c                 |  25 +-
>  .../media/usb/ttusb-budget/dvb-ttusb-budget.c | 197 ++--
>  drivers/media/v4l2-core/v4l2-ioctl.c          |  48 +-
>  drivers/media/v4l2-core/videobuf-dma-sg.c     |  22 +-
>  drivers/staging/media/atomisp/Makefile        |  12 +-
>  .../atomisp/pci/atomisp_compat_ioctl32.c      |  84 +-
>  .../media/atomisp/pci/atomisp_gmin_platform.c |   5 +-
>  .../atomisp/pci/css_2401_system/host/csi_rx.c |   1 +
>  .../pci/css_2401_system/host/ibuf_ctrl.c      |   1 +
>  .../css_2401_system/host/ibuf_ctrl_local.h    |   1 +
>  .../css_2401_system/host/ibuf_ctrl_private.h  | 268 -----
>  .../pci/css_2401_system/host/isys_dma.c       |  10 +-
>  .../pci/css_2401_system/host/isys_dma_local.h |  21 -
>  .../css_2401_system/host/isys_dma_private.h   |  12 +-
>  .../pci/css_2401_system/host/isys_irq.c       |   3 +-
>  .../pci/css_2401_system/host/isys_irq_local.h |   4 +-
>  .../css_2401_system/host/isys_irq_private.h   |  12 +-
>  .../css_2401_system/host/pixelgen_private.h   |  73 +-
>  .../pci/css_2401_system/ibuf_ctrl_global.h    |   6 +-
>  .../pci/css_2401_system/isys_irq_global.h     |   4 +-
>  .../pci/css_2401_system/pixelgen_global.h     |   8 +-
>  .../host/input_formatter.c                    |   2 +-
>  .../hive_isp_css_common/host/input_system.c   |  70 +-
>  .../hive_isp_css_include/host/csi_rx_public.h |   4 +-
>  .../host/ibuf_ctrl_public.h                   |  94 --
>  .../host/isys_dma_public.h                    |   8 +-
>  .../host/isys_irq_public.h                    |  29 +-
>  .../hive_isp_css_include/host/isys_public.h   |   4 +-
>  .../host/pixelgen_public.h                    |   4 +-
>  .../pci/hive_isp_css_include/ibuf_ctrl.h      |  47 -
>  .../pci/hive_isp_css_include/isys_dma.h       |  47 -
>  .../pci/hive_isp_css_include/isys_irq.h       |  16 +-
>  drivers/staging/media/atomisp/pci/hmm/hmm.c   |   6 +-
>  .../staging/media/atomisp/pci/ia_css_mipi.h   |   2 -
>  .../staging/media/atomisp/pci/ia_css_stream.h |   4 +-
>  .../media/atomisp/pci/input_system_global.h   |  29 +-
>  .../kernels/ctc/ctc_1.0/ia_css_ctc_param.h    |   7 -
>  .../ctc/ctc_1.0/ia_css_ctc_table.host.c       | 145 ---
>  .../kernels/gc/gc_1.0/ia_css_gc_table.host.c  | 144 ---
>  .../kernels/gc/gc_2/ia_css_gc2_table.host.c   |  53 -
>  .../isp/kernels/raw/raw_1.0/ia_css_raw.host.c |   4 +-
>  .../kernels/xnr/xnr_1.0/ia_css_xnr_param.h    |   7 -
>  .../xnr/xnr_1.0/ia_css_xnr_table.host.c       |  31 -
>  .../atomisp/pci/isp2400_input_system_global.h |  21 +-
>  .../atomisp/pci/isp2400_input_system_local.h  |  17 +-
>  .../atomisp/pci/isp2400_input_system_public.h |  26 +-
>  .../media/atomisp/pci/isp2400_system_global.h |  16 -
>  .../atomisp/pci/isp2401_input_system_global.h |  30 +-
>  .../atomisp/pci/isp2401_input_system_local.h  |   3 -
>  .../pci/isp2401_input_system_private.h        | 224 ++++-
>  .../media/atomisp/pci/isp2401_system_global.h |  19 -
>  .../atomisp/pci/runtime/binary/src/binary.c   | 919 +++++++++---------
>  .../runtime/bufq/interface/ia_css_bufq_comm.h |  10 -
>  .../media/atomisp/pci/runtime/bufq/src/bufq.c |  26 +-
>  .../runtime/debug/interface/ia_css_debug.h    |   6 -
>  .../pci/runtime/debug/src/ia_css_debug.c      | 193 +---
>  .../atomisp/pci/runtime/ifmtr/src/ifmtr.c     |   2 +-
>  .../pci/runtime/inputfifo/src/inputfifo.c     |  10 -
>  .../pci/runtime/isys/interface/ia_css_isys.h  |  18 +-
>  .../runtime/isys/interface/ia_css_isys_comm.h |   4 +-
>  .../pci/runtime/isys/src/csi_rx_rmgr.c        |   2 +-
>  .../pci/runtime/isys/src/isys_dma_rmgr.c      |   2 +-
>  .../atomisp/pci/runtime/isys/src/isys_init.c  |  20 +-
>  .../runtime/isys/src/isys_stream2mmio_rmgr.c  |   2 +-
>  .../media/atomisp/pci/runtime/isys/src/rx.c   |  24 +-
>  .../pci/runtime/isys/src/virtual_isys.c       |  58 +-
>  .../pipeline/interface/ia_css_pipeline.h      |   2 +-
>  .../pci/runtime/pipeline/src/pipeline.c       |   4 +-
>  drivers/staging/media/atomisp/pci/sh_css.c    | 296 ++----
>  .../staging/media/atomisp/pci/sh_css_defs.h   |   4 -
>  .../staging/media/atomisp/pci/sh_css_hrt.c    |   4 -
>  .../media/atomisp/pci/sh_css_internal.h       |  36 +-
>  .../staging/media/atomisp/pci/sh_css_mipi.c   |  34 +-
>  .../media/atomisp/pci/sh_css_param_shading.c  |   2 +-
>  .../staging/media/atomisp/pci/sh_css_params.c | 538 ----------
>  .../media/atomisp/pci/sh_css_properties.c     |  10 -
>  drivers/staging/media/atomisp/pci/sh_css_sp.c |  39 +-
>  drivers/staging/media/atomisp/pci/sh_css_sp.h |   8 +-
>  .../staging/media/atomisp/pci/sh_css_struct.h |   2 -
>  .../staging/media/atomisp/pci/system_global.h |  23 -
>  include/media/videobuf-dma-sg.h               |   2 +-
>  96 files changed, 1708 insertions(+), 3300 deletions(-)
>  delete mode 100644 drivers/staging/media/atomisp/pci/css_2401_system/host/ibuf_ctrl_private.h
>  delete mode 100644 drivers/staging/media/atomisp/pci/css_2401_system/host/isys_dma_local.h
>  delete mode 100644 drivers/staging/media/atomisp/pci/hive_isp_css_include/host/ibuf_ctrl_public.h
>  delete mode 100644 drivers/staging/media/atomisp/pci/hive_isp_css_include/ibuf_ctrl.h
>  delete mode 100644 drivers/staging/media/atomisp/pci/hive_isp_css_include/isys_dma.h
>  delete mode 100644 drivers/staging/media/atomisp/pci/isp2400_system_global.h
>  delete mode 100644 drivers/staging/media/atomisp/pci/isp2401_system_global.h
> 




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