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