Hi Rory, kernel test robot noticed the following build warnings: [auto build test WARNING on wireless-next/main] [also build test WARNING on wireless/main linus/master v6.15-rc5 next-20250506] [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/Rory-Little/wifi-mt76-mt7996-Add-per-radio-phy-debugfs-directories/20250501-072345 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main patch link: https://lore.kernel.org/r/20250430232225.3943242-2-rory%40candelatech.com patch subject: [PATCH mt76 v2 1/4] wifi: mt76: mt7996: Add per-radio phy debugfs directories. config: openrisc-allyesconfig (https://download.01.org/0day-ci/archive/20250507/202505071352.R4Bb2GN1-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250507/202505071352.R4Bb2GN1-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/202505071352.R4Bb2GN1-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c: In function 'mt7996_init_debugfs': >> drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c:851:52: warning: 'snprintf' output may be truncated before the last format character [-Wformat-truncation=] 851 | snprintf(fname, sizeof(fname), "radio_phy%d", phy->mt76->band_idx); | ^ In function 'mt7996_init_radio_phy_debugfs', inlined from 'mt7996_init_debugfs' at drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c:900:9: drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c:851:9: note: 'snprintf' output between 11 and 13 bytes into a destination of size 12 851 | snprintf(fname, sizeof(fname), "radio_phy%d", phy->mt76->band_idx); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/snprintf +851 drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c 841 842 DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7996_rf_regval_get, 843 mt7996_rf_regval_set, "0x%08llx\n"); 844 845 static int 846 mt7996_init_radio_phy_debugfs(struct mt7996_phy *phy) 847 { 848 struct dentry *dir; 849 char fname[12]; 850 > 851 snprintf(fname, sizeof(fname), "radio_phy%d", phy->mt76->band_idx); 852 dir = debugfs_create_dir(fname, phy->dev->debugfs_dir); 853 854 if (IS_ERR_OR_NULL(dir)) 855 return -ENOMEM; 856 857 phy->debugfs_dir = dir; 858 859 return 0; 860 } 861 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
