linux-kernel - Re: [PATCH 5/6] pps: embed "dev" in the pps

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Message-ID: <202412030942.aHisJx3i-lkp@intel.com>
Date: Tue, 3 Dec 2024 10:04:07 +0800
From: kernel test robot <lkp@...el.com>
To: Michal Schmidt <mschmidt@...hat.com>,
	Rodolfo Giometti <giometti@...eenne.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	"Dr. David Alan Gilbert" <linux@...blig.org>,
	Ma Ke <make24@...as.ac.cn>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	George Spelvin <linux@...izon.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] pps: embed "dev" in the pps_device

Hi Michal,

kernel test robot noticed the following build errors:

[auto build test ERROR on 7af08b57bcb9ebf78675c50069c54125c0a8b795]

url:    https://github.com/intel-lab-lkp/linux/commits/Michal-Schmidt/pps-fix-cdev-use-after-free/20241203-025037
base:   7af08b57bcb9ebf78675c50069c54125c0a8b795
patch link:    https://lore.kernel.org/r/20241202163451.1442566-6-mschmidt%40redhat.com
patch subject: [PATCH 5/6] pps: embed "dev" in the pps_device
config: i386-buildonly-randconfig-005-20241203 (https://download.01.org/0day-ci/archive/20241203/202412030942.aHisJx3i-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241203/202412030942.aHisJx3i-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412030942.aHisJx3i-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/pps/clients/pps-ktimer.c:59:11: error: passing 'struct device' to parameter of incompatible type 'const struct device *'; take the address with &
      59 |         dev_info(pps->dev, "ktimer PPS source unregistered\n");
         |                  ^~~~~~~~
         |                  &
   include/linux/dev_printk.h:160:46: note: expanded from macro 'dev_info'
     160 |         dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                     ^~~
   include/linux/dev_printk.h:110:11: note: expanded from macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                         ^~~
   include/linux/dev_printk.h:56:37: note: passing argument to parameter 'dev' here
      56 | void _dev_info(const struct device *dev, const char *fmt, ...);
         |                                     ^
   drivers/pps/clients/pps-ktimer.c:77:11: error: passing 'struct device' to parameter of incompatible type 'const struct device *'; take the address with &
      77 |         dev_info(pps->dev, "ktimer PPS source registered\n");
         |                  ^~~~~~~~
         |                  &
   include/linux/dev_printk.h:160:46: note: expanded from macro 'dev_info'
     160 |         dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                     ^~~
   include/linux/dev_printk.h:110:11: note: expanded from macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                         ^~~
   include/linux/dev_printk.h:56:37: note: passing argument to parameter 'dev' here
      56 | void _dev_info(const struct device *dev, const char *fmt, ...);
         |                                     ^
   2 errors generated.


vim +59 drivers/pps/clients/pps-ktimer.c

697fb85fcf21b5 Rodolfo Giometti  2010-03-10  52  
697fb85fcf21b5 Rodolfo Giometti  2010-03-10  53  /*
697fb85fcf21b5 Rodolfo Giometti  2010-03-10  54   * Module staff
697fb85fcf21b5 Rodolfo Giometti  2010-03-10  55   */
697fb85fcf21b5 Rodolfo Giometti  2010-03-10  56  
697fb85fcf21b5 Rodolfo Giometti  2010-03-10  57  static void __exit pps_ktimer_exit(void)
697fb85fcf21b5 Rodolfo Giometti  2010-03-10  58  {
5e196d34a77642 Alexander Gordeev 2011-01-12 @59  	dev_info(pps->dev, "ktimer PPS source unregistered\n");
697fb85fcf21b5 Rodolfo Giometti  2010-03-10  60  
5e196d34a77642 Alexander Gordeev 2011-01-12  61  	del_timer_sync(&ktimer);
5e196d34a77642 Alexander Gordeev 2011-01-12  62  	pps_unregister_source(pps);
697fb85fcf21b5 Rodolfo Giometti  2010-03-10  63  }
697fb85fcf21b5 Rodolfo Giometti  2010-03-10  64  

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