Hi Youssef, kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v6.18-rc2 next-20251023] [cannot apply to drm-misc/drm-misc-next drm-tip/drm-tip] [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/Youssef-Samir/accel-qaic-Add-DMA-Bridge-Channel-DBC-sysfs-and-uevents/20251023-042723 base: linus/master patch link: https://lore.kernel.org/r/20251022202527.3873558-2-youssef.abdulrahman%40oss.qualcomm.com patch subject: [PATCH 1/3] accel/qaic: Add DMA Bridge Channel(DBC) sysfs and uevents config: openrisc-allyesconfig (https://download.01.org/0day-ci/archive/20251024/[email protected]/config) compiler: or1k-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251024/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): drivers/accel/qaic/qaic_sysfs.c: In function 'qaic_sysfs_init': >> drivers/accel/qaic/qaic_sysfs.c:74:58: warning: '_state' directive output >> may be truncated writing 6 bytes into a region of size between 3 and 10 >> [-Wformat-truncation=] 74 | snprintf(dbc_attr->name, NAME_LEN, "dbc%d_state", i); | ^~~~~~ drivers/accel/qaic/qaic_sysfs.c:74:17: note: 'snprintf' output between 11 and 18 bytes into a destination of size 14 74 | snprintf(dbc_attr->name, NAME_LEN, "dbc%d_state", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/_state +74 drivers/accel/qaic/qaic_sysfs.c 56 57 int qaic_sysfs_init(struct qaic_drm_device *qddev) 58 { 59 struct device *kdev = to_accel_kdev(qddev); 60 struct drm_device *drm = to_drm(qddev); 61 u32 num_dbc = qddev->qdev->num_dbc; 62 struct dbc_attribute *dbc_attrs; 63 int i, ret; 64 65 dbc_attrs = drmm_kcalloc(drm, num_dbc, sizeof(*dbc_attrs), GFP_KERNEL); 66 if (!dbc_attrs) 67 return -ENOMEM; 68 69 for (i = 0; i < num_dbc; ++i) { 70 struct dbc_attribute *dbc_attr = &dbc_attrs[i]; 71 72 sysfs_attr_init(&dbc_attr->dev_attr.attr); 73 dbc_attr->dbc_id = i; > 74 snprintf(dbc_attr->name, NAME_LEN, "dbc%d_state", i); 75 dbc_attr->dev_attr.attr.name = dbc_attr->name; 76 dbc_attr->dev_attr.attr.mode = 0444; 77 dbc_attr->dev_attr.show = dbc_state_show; 78 ret = sysfs_create_file(&kdev->kobj, &dbc_attr->dev_attr.attr); 79 if (ret) { 80 int j; 81 82 for (j = 0; j < i; ++j) { 83 dbc_attr = &dbc_attrs[j]; 84 sysfs_remove_file(&kdev->kobj, &dbc_attr->dev_attr.attr); 85 } 86 drmm_kfree(drm, dbc_attrs); 87 return ret; 88 } 89 } 90 91 qddev->sysfs_attrs = dbc_attrs; 92 return 0; 93 } 94 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
