[v2,00/13] Media: fix several issues on drivers

Message

Mauro Carvalho Chehab Oct. 18, 2024, 5:53 a.m. UTC

There are a number of issues that aren't passing on smatch or Coverity.

Address some of them.

Mauro Carvalho Chehab (13):
  media: v4l2-ctrls-api: fix error handling for v4l2_g_ctrl()
  media: v4l2-tpg: prevent the risk of a division by zero
  media: dvbdev: prevent the risk of out of memory access
  media: dvb_frontend: don't play tricks with underflow values
  media: mgb4: protect driver against spectre
  media: av7110: fix a spectre vulnerability
  media: s5p-jpeg: prevent buffer overflows
  media: ar0521: don't overflow when checking PLL values
  media: cx24116: prevent overflows on SNR calculus
  media: adv7604: prevent underflow condition when reporting colorspace
  media: stb0899_algo: initialize cfr before using it
  media: cec: extron-da-hd-4k-plus: don't use -1 as an error code
  media: pulse8-cec: fix data timestamp at pulse8_setup()

 .../extron-da-hd-4k-plus.c                    |  6 ++---
 drivers/media/cec/usb/pulse8/pulse8-cec.c     |  2 +-
 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c |  3 +++
 drivers/media/dvb-core/dvb_frontend.c         |  4 +--
 drivers/media/dvb-core/dvbdev.c               | 17 ++++++++++--
 drivers/media/dvb-frontends/cx24116.c         |  7 ++++-
 drivers/media/dvb-frontends/stb0899_algo.c    |  2 +-
 drivers/media/i2c/adv7604.c                   | 26 ++++++++++++-------
 drivers/media/i2c/ar0521.c                    |  4 +--
 drivers/media/pci/mgb4/mgb4_cmt.c             |  2 ++
 .../platform/samsung/s5p-jpeg/jpeg-core.c     | 17 +++++++-----
 drivers/media/v4l2-core/v4l2-ctrls-api.c      | 16 ++++++++----
 drivers/staging/media/av7110/av7110.h         |  4 ++-
 drivers/staging/media/av7110/av7110_ca.c      | 25 ++++++++++++------
 14 files changed, 94 insertions(+), 41 deletions(-)