Re: [PATCH] Watchdog: fix pretimeout noop governor logging and description

[kernel test robot]

Hi Lorenzo,

kernel test robot noticed the following build warnings:

[auto build test WARNING on groeck-staging/hwmon]
[also build test WARNING on groeck-staging/hwmon-next groeck-staging/watchdog groeck-staging/watchdog-next linus/master v7.1 next-20260616]
[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/Lorenzo-Egidio/Watchdog-fix-pretimeout-noop-governor-logging-and-description/20260617-032417
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon
patch link:    https://lore.kernel.org/r/20260616171955.658-1-lorenzoegidioms%40gmail.com
patch subject: [PATCH] Watchdog: fix pretimeout noop governor logging and description
config: i386-randconfig-141-20260617 (https://download.01.org/0day-ci/archive/20260617/202606171208.XDs3KbGh-lkp@xxxxxxxxx/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
smatch: v0.5.0-9185-gbcc58b9c
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260617/202606171208.XDs3KbGh-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/202606171208.XDs3KbGh-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/watchdog/pretimeout_noop.c:20:21: warning: more '%' conversions than data arguments [-Wformat-insufficient-args]
      20 |         pr_alert("watchdog%d: pretimeout event\n");
         |                           ~^
   include/linux/printk.h:534:27: note: expanded from macro 'pr_alert'
     534 |         printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
         |                                  ^~~
   include/linux/printk.h:401:21: note: expanded from macro 'pr_fmt'
     401 | #define pr_fmt(fmt) fmt
         |                     ^~~
   include/linux/printk.h:511:53: note: expanded from macro 'printk'
     511 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
         |                                                     ^~~
   include/linux/printk.h:483:11: note: expanded from macro 'printk_index_wrap'
     483 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   1 warning generated.


vim +20 drivers/watchdog/pretimeout_noop.c

    11	
    12	/**
    13	 * pretimeout_noop - No operation on watchdog pretimeout event
    14	 * @wdd: watchdog_device
    15	 *
    16	 * This function prints a message about pretimeout to kernel log.
    17	 */
    18	static void pretimeout_noop(struct watchdog_device *wdd)
    19	{
  > 20		pr_alert("watchdog%d: pretimeout event\n");
    21	}
    22	

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki