* [sailus-media-tree:metadata 90/113] drivers/media/v4l2-core/v4l2-subdev.c:2675:55: warning: overlapping comparisons always evaluate to true
@ 2026-01-19 16:17 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-01-19 16:17 UTC (permalink / raw)
To: Sakari Ailus; +Cc: oe-kbuild-all, linux-media
tree: git://linuxtv.org/sailus/media_tree.git metadata
head: 55ba38aaeb6e07cbbbe550578fa4737b05de1d00
commit: 50fcff1c16cac7152a1b5b56a71656e97d276857 [90/113] media: v4l2-subdev: Introduce v4l2_subdev_get_frame_desc()
config: sparc64-randconfig-r071-20260119 (https://download.01.org/0day-ci/archive/20260120/202601200019.peMSxK0X-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
smatch version: v0.5.0-8985-g2614ff1a
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260120/202601200019.peMSxK0X-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601200019.peMSxK0X-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/media/v4l2-core/v4l2-subdev.c:2675:55: warning: overlapping comparisons always evaluate to true [-Wtautological-overlap-compare]
2675 | if (desc->type != V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
2676 | desc->type != V4L2_MBUS_FRAME_DESC_TYPE_CSI2)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
vim +2675 drivers/media/v4l2-core/v4l2-subdev.c
2659
2660 int v4l2_subdev_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
2661 struct v4l2_mbus_frame_desc *desc)
2662 {
2663 if (v4l2_subdev_has_op(sd, pad, get_frame_desc)) {
2664 unsigned int type = desc->type;
2665 int ret;
2666
2667 ret = v4l2_subdev_call(sd, pad, get_frame_desc, pad, desc);
2668
2669 if (desc->type != type)
2670 return -EINVAL;
2671
2672 return ret;
2673 }
2674
> 2675 if (desc->type != V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL ||
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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