Re: [PATCHv3 pci-next 2/2] PCI/AER: Rate limit the reporting of the correctable errors

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Hi Grant,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus linus/master v6.4-rc5 next-20230606]
[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/Grant-Grundler/PCI-AER-Rate-limit-the-reporting-of-the-correctable-errors/20230606-115515
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20230606035442.2886343-2-grundler%40chromium.org
patch subject: [PATCHv3 pci-next 2/2] PCI/AER: Rate limit the reporting of the correctable errors
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20230606/202306061553.YXoBaXAM-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
        git remote add pci https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git
        git fetch pci next
        git checkout pci/next
        b4 shazam https://lore.kernel.org/r/20230606035442.2886343-2-grundler@xxxxxxxxxxxx
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/pci/pcie/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306061553.YXoBaXAM-lkp@xxxxxxxxx/

All error/warnings (new ones prefixed by >>):

   drivers/pci/pcie/aer.c: In function '__aer_print_error':
>> drivers/pci/pcie/aer.c:717:44: error: expected ';' before ':' token
     717 |                 pci_err(dev, "%s", aer_msg):
         |                                            ^
   In file included from include/linux/device.h:15,
                    from include/linux/pci.h:37,
                    from drivers/pci/pcie/aer.c:20:
   drivers/pci/pcie/aer.c: In function 'aer_print_error':
>> drivers/pci/pcie/aer.c:15:21: warning: too many arguments for format [-Wformat-extra-args]
      15 | #define pr_fmt(fmt) "AER: " fmt
         |                     ^~~~~~~
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   drivers/pci/pcie/aer.c:16:17: note: in expansion of macro 'pr_fmt'
      16 | #define dev_fmt pr_fmt
         |                 ^~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   include/linux/pci.h:2600:41: note: in expansion of macro 'dev_err'
    2600 | #define pci_err(pdev, fmt, arg...)      dev_err(&(pdev)->dev, fmt, ##arg)
         |                                         ^~~~~~~
   drivers/pci/pcie/aer.c:743:17: note: in expansion of macro 'pci_err'
     743 |                 pci_err(dev, "PCIe Bus Error: severity=%s, type=%s, (%s)\n",
         |                 ^~~~~~~
   drivers/pci/pcie/aer.c: At top level:
   drivers/pci/pcie/aer.c:626:13: warning: 'pci_dev_aer_stats_incr' defined but not used [-Wunused-function]
     626 | static void pci_dev_aer_stats_incr(struct pci_dev *pdev,
         |             ^~~~~~~~~~~~~~~~~~~~~~


vim +717 drivers/pci/pcie/aer.c

   684	
   685	static void __aer_print_error(struct pci_dev *dev,
   686				      struct aer_err_info *info)
   687	{
   688		const char **strings;
   689		char aer_msg[512];
   690		unsigned long status = info->status & ~info->mask;
   691		int i;
   692	
   693		memset(aer_msg, 0, sizeof(*aer_msg));
   694		snprintf(aer_msg, sizeof(*aer_msg), "aer_status: 0x%08x, aer_mask: 0x%08x\n",
   695				info->status, info->mask);
   696	
   697		strings = (info->severity == AER_CORRECTABLE) ?
   698			aer_correctable_error_string : aer_uncorrectable_error_string;
   699	
   700		for_each_set_bit(i, &status, 32) {
   701			const char *errmsg = strings[i];
   702			char bitmsg[64];
   703			memset(bitmsg, 0, sizeof(*bitmsg));
   704	
   705			if (!errmsg)
   706				errmsg = "Unknown Error Bit";
   707	
   708			snprintf(bitmsg, sizeof(*bitmsg), "   [%2d] %-22s%s\n", i, errmsg,
   709				    info->first_error == i ? " (First)" : "");
   710	
   711			strlcat(aer_msg, bitmsg, sizeof(*aer_msg));
   712		}
   713	
   714		if (info->severity == AER_CORRECTABLE)
   715			pci_info_ratelimited(dev, "%s", aer_msg);
   716		else
 > 717			pci_err(dev, "%s", aer_msg):
   718	
   719		pci_dev_aer_stats_incr(dev, info);
   720	}
   721	

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



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