Re: [PATCH] v4l2-subdev: Return -EOPNOTSUPP for unsupported pad type in call_get_frame_desc()

From: kernel test robot
Date: Sat Oct 05 2024 - 20:00:46 EST


Hi Prabhakar,

kernel test robot noticed the following build errors:

[auto build test ERROR on media-tree/master]
[also build test ERROR on sailus-media-tree/master linus/master v6.12-rc1 next-20241004]
[cannot apply to sailus-media-tree/streams]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Prabhakar/v4l2-subdev-Return-EOPNOTSUPP-for-unsupported-pad-type-in-call_get_frame_desc/20240930-154811
base: git://linuxtv.org/media_tree.git master
patch link: https://lore.kernel.org/r/20240930074602.500968-1-prabhakar.mahadev-lad.rj%40bp.renesas.com
patch subject: [PATCH] v4l2-subdev: Return -EOPNOTSUPP for unsupported pad type in call_get_frame_desc()
config: x86_64-randconfig-003-20241002 (https://download.01.org/0day-ci/archive/20241006/202410060640.ykY9JvqZ-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241006/202410060640.ykY9JvqZ-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410060640.ykY9JvqZ-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> drivers/media/v4l2-core/v4l2-subdev.c:337:12: error: no member named 'entity' in 'struct v4l2_subdev'
337 | if (!(sd->entity.pads[pad].flags & MEDIA_PAD_FL_SOURCE))
| ~~ ^
1 error generated.


vim +337 drivers/media/v4l2-core/v4l2-subdev.c

330
331 static int call_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
332 struct v4l2_mbus_frame_desc *fd)
333 {
334 unsigned int i;
335 int ret;
336
> 337 if (!(sd->entity.pads[pad].flags & MEDIA_PAD_FL_SOURCE))
338 return -EOPNOTSUPP;
339
340 memset(fd, 0, sizeof(*fd));
341
342 ret = sd->ops->pad->get_frame_desc(sd, pad, fd);
343 if (ret)
344 return ret;
345
346 dev_dbg(sd->dev, "Frame descriptor on pad %u, type %s\n", pad,
347 fd->type == V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL ? "parallel" :
348 fd->type == V4L2_MBUS_FRAME_DESC_TYPE_CSI2 ? "CSI-2" :
349 "unknown");
350
351 for (i = 0; i < fd->num_entries; i++) {
352 struct v4l2_mbus_frame_desc_entry *entry = &fd->entry[i];
353 char buf[20] = "";
354
355 if (fd->type == V4L2_MBUS_FRAME_DESC_TYPE_CSI2)
356 WARN_ON(snprintf(buf, sizeof(buf),
357 ", vc %u, dt 0x%02x",
358 entry->bus.csi2.vc,
359 entry->bus.csi2.dt) >= sizeof(buf));
360
361 dev_dbg(sd->dev,
362 "\tstream %u, code 0x%04x, length %u, flags 0x%04x%s\n",
363 entry->stream, entry->pixelcode, entry->length,
364 entry->flags, buf);
365 }
366
367 return 0;
368 }
369

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0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki