Re: [PATCH] IOCTL support for dell-wmi-sysman driver

[kernel test robot]

Hi KSR",

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.11-rc7 next-20210125]
[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]

url:    https://github.com/0day-ci/linux/commits/Prasanth-KSR/IOCTL-support-for-dell-wmi-sysman-driver/20210209-223343
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 61556703b610a104de324e4f061dc6cf7b218b46
config: i386-randconfig-a002-20210209 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/00141bcb2495c75a902d3070e149760b1050322e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Prasanth-KSR/IOCTL-support-for-dell-wmi-sysman-driver/20210209-223343
        git checkout 00141bcb2495c75a902d3070e149760b1050322e
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

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

   ld: drivers/platform/x86/dell-wmi-sysman/biosattr-interface.o: in function `run_sysman_call':
>> drivers/platform/x86/dell-wmi-sysman/biosattr-interface.c:228: undefined reference to `__udivdi3'
--
>> drivers/platform/x86/dell-wmi-sysman/sysman.c:310:5: warning: no previous prototype for 'validate_acpi_type' [-Wmissing-prototypes]
     310 | int validate_acpi_type(union acpi_object *obj, const char *guid_string)
         |     ^~~~~~~~~~~~~~~~~~
--
>> drivers/platform/x86/dell-wmi-sysman/biosattr-interface.c:218:5: warning: no previous prototype for 'run_sysman_call' [-Wmissing-prototypes]
     218 | int run_sysman_call(struct dell_wmi_sysman_buffer *buf)
         |     ^~~~~~~~~~~~~~~


vim +228 drivers/platform/x86/dell-wmi-sysman/biosattr-interface.c

   217	
 > 218	int run_sysman_call(struct dell_wmi_sysman_buffer *buf)
   219	{
   220		struct dell_set_password *pass_set_data;
   221		struct dell_set_data *in_data;
   222		int ret = -ENOIOCTLCMD;
   223		char *tmp_system = NULL;
   224		char *tmp_admin = NULL;
   225	
   226		switch (buf->command) {
   227		case ENUMERATE_ALL:
 > 228			buf->count = get_attrs_size() / sizeof(struct dell_attributes_data);
   229			get_enumeration_data(buf);
   230			get_integer_data(buf);
   231			get_string_data(buf);
   232			ret = 0;
   233			break;
   234		case SET_ATTRIBUTES:
   235		case SET_DEFAULTS:
   236			if (!buf->count)
   237				goto out;
   238			in_data = (struct dell_set_data *)buf->data;
   239			tmp_admin = kstrdup(wmi_priv.current_admin_password, GFP_KERNEL);
   240			strlcpy_attr(wmi_priv.current_admin_password, buf->admin_password);
   241			ret = set_attributes(in_data, buf->count, buf->command);
   242			strlcpy_attr(wmi_priv.current_admin_password, tmp_admin);
   243			kfree(tmp_admin);
   244			break;
   245		case GET_PASS:
   246			get_po_data(buf);
   247			ret = 0;
   248			break;
   249		case SET_PASS:
   250			pass_set_data = (struct dell_set_password *)buf->data;
   251			tmp_admin = kstrdup(wmi_priv.current_admin_password, GFP_KERNEL);
   252			strlcpy_attr(wmi_priv.current_admin_password, buf->admin_password);
   253	
   254			if (strcmp(pass_set_data->attribute_name, "System") == 0) {
   255				tmp_system = kstrdup(wmi_priv.current_system_password, GFP_KERNEL);
   256				strlcpy_attr(wmi_priv.current_system_password,
   257						pass_set_data->system_password);
   258			}
   259	
   260			ret = set_new_password(pass_set_data->attribute_name, pass_set_data->new_password);
   261			strlcpy_attr(wmi_priv.current_admin_password, tmp_admin);
   262			kfree(tmp_admin);
   263	
   264			if (tmp_system != NULL) {
   265				strlcpy_attr(wmi_priv.current_system_password, tmp_system);
   266				kfree(tmp_system);
   267			}
   268			break;
   269		}
   270	out:
   271		return ret;
   272	}
   273	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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