[PATCH v3 2/4] powerpc/fadump: reorganize /sys/kernel/fadump_* sysfs files

[kbuild test robot]

Hi Sourabh,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.4-rc8 next-20191122]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Sourabh-Jain/reorganize-and-add-FADump-sysfs-files/20191110-091753
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-rhel-kconfig (attached as .config)
compiler: powerpc64le-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   arch/powerpc/platforms/powernv/opal-core.c: In function 'opalcore_init':
>> arch/powerpc/platforms/powernv/opal-core.c:632:25: error: 'fadump_kobj' undeclared (first use in this function); did you mean 'fadump_ops'?
     rc = sysfs_create_file(fadump_kobj, &opalcore_rel_attr.attr);
                            ^~~~~~~~~~~
                            fadump_ops
   arch/powerpc/platforms/powernv/opal-core.c:632:25: note: each undeclared identifier is reported only once for each function it appears in

vim +632 arch/powerpc/platforms/powernv/opal-core.c

   591	
   592	static struct kobj_attribute opalcore_rel_attr = __ATTR(release_opalcore,
   593							0200, NULL,
   594							fadump_release_opalcore_store);
   595	
   596	static int __init opalcore_init(void)
   597	{
   598		int rc = -1;
   599	
   600		opalcore_config_init();
   601	
   602		if (oc_conf == NULL)
   603			return rc;
   604	
   605		create_opalcore();
   606	
   607		/*
   608		 * If oc_conf->opalcorebuf= is set in the 2nd kernel,
   609		 * then capture the dump.
   610		 */
   611		if (!(is_opalcore_usable())) {
   612			pr_err("Failed to export /sys/firmware/opal/core\n");
   613			opalcore_cleanup();
   614			return rc;
   615		}
   616	
   617		/* Set OPAL core file size */
   618		opal_core_attr.size = oc_conf->opalcore_size;
   619	
   620		/* Export OPAL core sysfs file */
   621		rc = sysfs_create_bin_file(opal_kobj, &opal_core_attr);
   622		if (rc != 0) {
   623			pr_err("Failed to export /sys/firmware/opal/core\n");
   624			opalcore_cleanup();
   625			return rc;
   626		}
   627	
   628		/*
   629		 * Originally fadump_release_opalcore sysfs was part of kernel_kobj
   630		 * later moved to fadump_kobj and renamed to release_opalcore.
   631		 */
 > 632		rc = sysfs_create_file(fadump_kobj, &opalcore_rel_attr.attr);

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
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