linux-kernel - Re: [PATCH 1/3] s390/dasd: Adjust buffer output in dasd_hosts

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Date:   Thu, 11 May 2017 06:30:07 +0800
From:   kbuild test robot <lkp@...el.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     kbuild-all@...org, linux-s390@...r.kernel.org,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Jan Höppner <hoeppner@...ux.vnet.ibm.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Stefan Haberland <sth@...ux.vnet.ibm.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/3] s390/dasd: Adjust buffer output in dasd_hosts_print()

Hi Markus,

[auto build test WARNING on s390/features]
[also build test WARNING on v4.11 next-20170510]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/SF-Markus-Elfring/S390-DASD-Fine-tuning-for-some-function-implementations/20170511-022121
base:   https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All warnings (new ones prefixed by >>):

   drivers/s390/block/dasd_eckd.c: In function 'dasd_hosts_print':
>> drivers/s390/block/dasd_eckd.c:5311:24: warning: field width specifier '*' expects argument of type 'int', but argument 3 has type 'long unsigned int' [-Wformat=]
      seq_printf(m, "pgid %*phN\n",
                           ^

vim +5311 drivers/s390/block/dasd_eckd.c

  5295			DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "%s",
  5296					"Could not allocate access buffer");
  5297			return -ENOMEM;
  5298		}
  5299		rc = dasd_eckd_query_host_access(device, access);
  5300		if (rc) {
  5301			kfree(access);
  5302			return rc;
  5303		}
  5304	
  5305		info = (struct dasd_ckd_host_information *)
  5306			access->host_access_information;
  5307		for (i = 0; i < info->entry_count; i++) {
  5308			entry = (struct dasd_ckd_path_group_entry *)
  5309				(info->entry + i * info->entry_size);
  5310			/* PGID */
> 5311			seq_printf(m, "pgid %*phN\n",
  5312				   ARRAY_SIZE(entry->pgid), entry->pgid);
  5313			/* FLAGS */
  5314			seq_printf(m, "status_flags %02x\n", entry->status_flags);
  5315			/* SYSPLEX NAME */
  5316			memcpy(&sysplex, &entry->sysplex_name, sizeof(sysplex) - 1);
  5317			EBCASC(sysplex, sizeof(sysplex));
  5318			seq_printf(m, "sysplex_name %8s\n", sysplex);
  5319			/* SUPPORTED CYLINDER */

---
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