[GIT PULL FOR v5.20] Various daily build fixes

[GIT PULL FOR v5.20] Various daily build fixes

[Hans Verkuil]

These patches fix various daily build issues: documentation warnings and
smatch warnings and errors.

The following changes since commit 8bd1dbf8d580c425605fb8936309a4e9745a7a95:

  media: rkisp1: debug: Add dump file in debugfs for MI main path registers (2022-07-17 12:34:43 +0100)

are available in the Git repository at:

  git://linuxtv.org/hverkuil/media_tree.git tags/br-v5.20l

for you to fetch changes up to 2c5a90cde295463ff9e7771a6c833eb3adcff6a7:

  media: sunxi: sun6i_mipi_csi2.c/sun8i_a83t_mipi_csi2.c: clarify error handling (2022-07-18 18:10:22 +0200)

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Tag branch

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Hans Verkuil (3):
      vimc: wrong pointer is used with PTR_ERR
      media: videodev2.h.rst.exceptions: add missing exceptions
      media: sunxi: sun6i_mipi_csi2.c/sun8i_a83t_mipi_csi2.c: clarify error handling

Laurent Pinchart (2):
      media: Documentation: mc-core: Fix typo
      media: uvcvideo: Fix invalid pointer in uvc_ctrl_init_ctrl()

 Documentation/driver-api/media/mc-core.rst                               | 2 +-
 Documentation/userspace-api/media/videodev2.h.rst.exceptions             | 3 +++
 drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c           | 7 ++++---
 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c | 7 ++++---
 drivers/media/test-drivers/vimc/vimc-core.c                              | 2 +-
 drivers/media/usb/uvc/uvc_ctrl.c                                         | 8 +++++---
 6 files changed, 18 insertions(+), 11 deletions(-)

Re: [GIT PULL FOR v5.20] Various daily build fixes (#84964)

[Jenkins]

From: builder@linuxtv.org

Pull request: https://patchwork.linuxtv.org/project/linux-media/patch/6d662034-3a80-7217-6603-93b9e222e7a8@xs4all.nl/
Build log: https://builder.linuxtv.org/job/patchwork/225899/
Build time: 00:25:33
Link: https://lore.kernel.org/linux-media/6d662034-3a80-7217-6603-93b9e222e7a8@xs4all.nl

gpg: Signature made Mon 18 Jul 2022 04:23:10 PM UTC
gpg:                using EDDSA key 52ADCAAE8A4F70B99ACD8D726B425DF79B1C1E76
gpg: Good signature from "Hans Verkuil <hverkuil-cisco@xs4all.nl>" [unknown]
gpg:                 aka "Hans Verkuil <hverkuil@xs4all.nl>" [full]

Summary: got 2/5 patches with issues, being 1 at build time, plus one error when buinding PDF document

Error/warnings:

patches/0001-vimc-wrong-pointer-is-used-with-PTR_ERR.patch:

    allyesconfig: return code #0:
	../scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr]
	../scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr]
	../scripts/genksyms/parse.y: note: rerun with option '-Wcounterexamples' to generate conflict counterexamples

    allyesconfig: return code #0:
	../drivers/media/i2c/cx25840/cx25840-core.c: ../drivers/media/i2c/cx25840/cx25840-core.c:5495 cx23885_dif_setup() parse error: turning off implications after 60 seconds
	SMATCH:../drivers/media/usb/siano/smsusb.c ../drivers/media/usb/siano/smsusb.c:53:38: :warning: array of flexible structures
	SPARSE:../drivers/media/usb/siano/smsusb.c ../drivers/media/usb/siano/smsusb.c:53:38: warning: array of flexible structures
	../drivers/media/dvb-frontends/sp887x.c: ../drivers/media/dvb-frontends/sp887x.c:178 sp887x_initial_setup() error: __memcpy() '&buf[2]' too small (30 vs 16384)
	../drivers/media/pci/cx23885/cx23885-dvb.c: ../drivers/media/pci/cx23885/cx23885-dvb.c:2548 dvb_register() parse error: OOM: 3000008Kb sm_state_count = 1725655
	../drivers/media/pci/cx23885/cx23885-dvb.c: ../drivers/media/pci/cx23885/cx23885-dvb.c:2548 dvb_register() warn: Function too hairy.  No more merges.
	../drivers/media/pci/cx23885/cx23885-dvb.c: ../drivers/media/pci/cx23885/cx23885-dvb.c:2548 dvb_register() parse error: __split_smt: function too hairy.  Giving up after 49 seconds
	../drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c:193 sun6i_mipi_csi2_s_stream() warn: missing error code 'ret'
	../drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c:225 sun8i_a83t_mipi_csi2_s_stream() warn: missing error code 'ret'
	../drivers/media/usb/uvc/uvc_ctrl.c: ../drivers/media/usb/uvc/uvc_ctrl.c:2472 uvc_ctrl_init_ctrl() error: we previously assumed 'mapping' could be null (see line 2458)
	../drivers/media/usb/em28xx/em28xx-video.c: ../drivers/media/usb/em28xx/em28xx-video.c:2884 em28xx_v4l2_init() parse error: turning off implications after 60 seconds

patches/0004-media-uvcvideo-Fix-invalid-pointer-in-uvc_ctrl_init_.patch:

   checkpatch.pl:
	$ cat patches/0004-media-uvcvideo-Fix-invalid-pointer-in-uvc_ctrl_init_.patch | formail -c | ./scripts/checkpatch.pl --terse --mailback --no-summary --strict
	-:6: ERROR: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 86f7ef773156 ("media: uvcvideo: Add support for per-device control mapping overrides")'


Error #512 when building PDF docs