tree: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-6.12/bpf head: d46a60c7a795ef0a115e27235b88dcecc78b8c26 commit: f10a11b7b599467153f679d35ed4712bbbec918f [6/15] HID: bpf: move HID-BPF report descriptor fixup earlier config: arm-jornada720_defconfig (https://download.01.org/0day-ci/archive/20240914/202409140413.DizXFslQ-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project bf684034844c660b778f0eba103582f582b710c9) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409140413.DizXFslQ-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/202409140413.DizXFslQ-lkp@xxxxxxxxx/ Note: the hid/for-6.12/bpf HEAD d46a60c7a795ef0a115e27235b88dcecc78b8c26 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): In file included from drivers/hid/hid-core.c:21: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/hid/hid-core.c:2689:52: error: passing 'const __u8 *' (aka 'const unsigned char *') to parameter of type 'u8 *' (aka 'unsigned char *') discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] 2689 | hdev->bpf_rdesc = call_hid_bpf_rdesc_fixup(hdev, hdev->dev_rdesc, | ^~~~~~~~~~~~~~~ include/linux/hid_bpf.h:231:73: note: passing argument to parameter 'rdesc' here 231 | static inline u8 *call_hid_bpf_rdesc_fixup(struct hid_device *hdev, u8 *rdesc, | ^ 1 warning and 1 error generated. vim +2689 drivers/hid/hid-core.c 2681 2682 static int __hid_device_probe(struct hid_device *hdev, struct hid_driver *hdrv) 2683 { 2684 const struct hid_device_id *id; 2685 int ret; 2686 2687 if (!hdev->bpf_rsize) { 2688 hdev->bpf_rsize = hdev->dev_rsize; > 2689 hdev->bpf_rdesc = call_hid_bpf_rdesc_fixup(hdev, hdev->dev_rdesc, 2690 &hdev->bpf_rsize); 2691 } 2692 2693 if (!hid_check_device_match(hdev, hdrv, &id)) 2694 return -ENODEV; 2695 2696 hdev->devres_group_id = devres_open_group(&hdev->dev, NULL, GFP_KERNEL); 2697 if (!hdev->devres_group_id) 2698 return -ENOMEM; 2699 2700 /* reset the quirks that has been previously set */ 2701 hdev->quirks = hid_lookup_quirk(hdev); 2702 hdev->driver = hdrv; 2703 2704 if (hdrv->probe) { 2705 ret = hdrv->probe(hdev, id); 2706 } else { /* default probe */ 2707 ret = hid_open_report(hdev); 2708 if (!ret) 2709 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 2710 } 2711 2712 /* 2713 * Note that we are not closing the devres group opened above so 2714 * even resources that were attached to the device after probe is 2715 * run are released when hid_device_remove() is executed. This is 2716 * needed as some drivers would allocate additional resources, 2717 * for example when updating firmware. 2718 */ 2719 2720 if (ret) { 2721 devres_release_group(&hdev->dev, hdev->devres_group_id); 2722 hid_close_report(hdev); 2723 hdev->driver = NULL; 2724 } 2725 2726 return ret; 2727 } 2728 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
