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X-CSE-ConnectionGUID: Ne7tZ1VuSWa5zmY2/YU2zA== X-CSE-MsgGUID: G6/xjEHiSU6wyxphnY88yA== X-IronPort-AV: E=McAfee;i="6800,10657,11858"; a="96933206" X-IronPort-AV: E=Sophos;i="6.25,189,1779174000"; d="scan'208";a="96933206" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2026 18:19:26 -0700 X-CSE-ConnectionGUID: csDtz+dwQ6ug/XAIFTuMzw== X-CSE-MsgGUID: 68FgBXDaSpWqFGn/238BHQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,189,1779174000"; d="scan'208";a="263350207" Received: from igk-lkp-server01.igk.intel.com (HELO 3cba2a188a06) ([10.211.93.152]) by orviesa004.jf.intel.com with ESMTP; 27 Jul 2026 18:19:25 -0700 Received: from kbuild by 3cba2a188a06 with local (Exim 4.98.2) (envelope-from ) id 1woWTb-000000001og-0bHz; Tue, 28 Jul 2026 01:19:23 +0000 Date: Tue, 28 Jul 2026 03:18:53 +0200 From: kernel test robot To: Paul Louvel Cc: oe-kbuild-all@lists.linux.dev, 0day robot Subject: drivers/watchdog/w83627hf_wdt.c:477:76: warning: 'snprintf' output may be truncated before the last format character Message-ID: <202607280322.11cbY6i7-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/intel-lab-lkp/linux/commits/Paul-Louvel/watchdog-w83627hf_wdt-Replace-magic-numbers-with-descriptive-macros/20260727-030530 head: 755bcbc553aec8647f0f337daf2a12011b6e76b2 commit: 31600ea3f7702c3248b36b22a275225428a0092c watchdog: w83627hf_wdt: Convert to platform driver model date: 30 hours ago config: x86_64-randconfig-2005-20250721 (https://download.01.org/0day-ci/archive/20260728/202607280322.11cbY6i7-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260728/202607280322.11cbY6i7-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202607280322.11cbY6i7-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/watchdog/w83627hf_wdt.c: In function 'wdt_probe': >> drivers/watchdog/w83627hf_wdt.c:477:76: warning: 'snprintf' output may be truncated before the last format character [-Wformat-truncation=] 477 | snprintf(wdt_info.identity, sizeof(wdt_info.identity), "%s Watchdog", | ^ drivers/watchdog/w83627hf_wdt.c:477:9: note: 'snprintf' output between 10 and 33 bytes into a destination of size 32 477 | snprintf(wdt_info.identity, sizeof(wdt_info.identity), "%s Watchdog", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 478 | id->name); | ~~~~~~~~~ vim +/snprintf +477 drivers/watchdog/w83627hf_wdt.c 467 468 static int wdt_probe(struct platform_device *pdev) 469 { 470 const struct platform_device_id *id = platform_get_device_id(pdev); 471 enum chips chip = id->driver_data; 472 struct device *dev = &pdev->dev; 473 int ret; 474 475 dev_info(dev, "WDT driver initialising\n"); 476 > 477 snprintf(wdt_info.identity, sizeof(wdt_info.identity), "%s Watchdog", 478 id->name); 479 480 watchdog_init_timeout(&wdt_dev, timeout, NULL); 481 watchdog_set_nowayout(&wdt_dev, nowayout); 482 watchdog_stop_on_reboot(&wdt_dev); 483 484 ret = w83627hf_init(&wdt_dev, chip); 485 if (ret) 486 return dev_err_probe(dev, ret, "failed to initialize watchdog\n"); 487 488 ret = devm_watchdog_register_device(&pdev->dev, &wdt_dev); 489 if (ret) 490 return ret; 491 492 dev_info(dev, "initialized. timeout=%d sec (nowayout=%d)\n", 493 wdt_dev.timeout, nowayout); 494 495 return ret; 496 } 497 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki