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SubjectRe: [PATCH] IOCTL support for dell-wmi-sysman driver
Hi KSR",

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING 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: x86_64-randconfig-a015-20210209 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# 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
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

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

All warnings (new ones prefixed by >>):

>> drivers/platform/x86/dell-wmi-sysman/sysman.c:310:5: warning: no previous prototype for function 'validate_acpi_type' [-Wmissing-prototypes]
int validate_acpi_type(union acpi_object *obj, const char *guid_string)
^
drivers/platform/x86/dell-wmi-sysman/sysman.c:310:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int validate_acpi_type(union acpi_object *obj, const char *guid_string)
^
static
1 warning generated.
--
>> drivers/platform/x86/dell-wmi-sysman/biosattr-interface.c:218:5: warning: no previous prototype for function 'run_sysman_call' [-Wmissing-prototypes]
int run_sysman_call(struct dell_wmi_sysman_buffer *buf)
^
drivers/platform/x86/dell-wmi-sysman/biosattr-interface.c:218:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int run_sysman_call(struct dell_wmi_sysman_buffer *buf)
^
static
1 warning generated.


vim +/validate_acpi_type +310 drivers/platform/x86/dell-wmi-sysman/sysman.c

309
> 310 int validate_acpi_type(union acpi_object *obj, const char *guid_string)
311 {
312 u32 acpi_type;
313
314 if (strcmp(guid_string, DELL_WMI_BIOS_INTEGER_ATTRIBUTE_GUID) == 0)
315 acpi_type = ACPI_TYPE_INTEGER;
316 else
317 acpi_type = ACPI_TYPE_STRING;
318
319 if (obj->package.elements[CURRENT_VAL].type != acpi_type)
320 return -EIO;
321
322 return 0;
323 }
324

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