Hi Ethan, kernel test robot noticed the following build warnings: [auto build test WARNING on 37816488247ddddbc3de113c78c83572274b1e2e] url: https://github.com/intel-lab-lkp/linux/commits/Ethan-Ferguson/exfat-Add-support-for-FS_IOC_-GET-SET-FSLABEL/20250816-011428 base: 37816488247ddddbc3de113c78c83572274b1e2e patch link: https://lore.kernel.org/r/20250815171056.103751-2-ethan.ferguson%40zetier.com patch subject: [PATCH 1/1] exfat: Add support for FS_IOC_{GET,SET}FSLABEL config: nios2-randconfig-r121-20250816 (https://download.01.org/0day-ci/archive/20250816/202508162026.aFXpZAKm-lkp@xxxxxxxxx/config) compiler: nios2-linux-gcc (GCC) 11.5.0 reproduce: (https://download.01.org/0day-ci/archive/20250816/202508162026.aFXpZAKm-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/202508162026.aFXpZAKm-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> fs/exfat/super.c:656:28: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const [usertype] *ucs1 @@ got restricted __le16 * @@ fs/exfat/super.c:656:28: sparse: expected unsigned short const [usertype] *ucs1 fs/exfat/super.c:656:28: sparse: got restricted __le16 * vim +656 fs/exfat/super.c 639 640 int exfat_write_volume_label(struct super_block *sb) 641 { 642 int ret; 643 struct exfat_sb_info *sbi = EXFAT_SB(sb); 644 struct buffer_head *bh; 645 struct exfat_dentry *ep; 646 647 ret = exfat_get_volume_label_ptrs(sb, &bh, &ep); 648 if (ret < 0) 649 goto cleanup; 650 651 mutex_lock(&sbi->s_lock); 652 memcpy(ep->dentry.volume_label.volume_label, sbi->volume_label, 653 sizeof(sbi->volume_label)); 654 655 ep->dentry.volume_label.char_count = > 656 UniStrnlen(ep->dentry.volume_label.volume_label, 657 EXFAT_VOLUME_LABEL_LEN); 658 mutex_unlock(&sbi->s_lock); 659 660 cleanup: 661 if (bh) { 662 exfat_update_bh(bh, true); 663 brelse(bh); 664 } 665 666 return ret; 667 } 668 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki