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Subjectsecurity/integrity/platform_certs/keyring_handler.c:62:30: warning: no previous prototype for 'get_handler_for_db'
Hi Nayna,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d15be546031cf65a0fc34879beca02fd90fe7ac7
commit: ad723674d6758478829ee766e3f1a2a24d56236f x86/efi: move common keyring handler functions to new file
date: 9 months ago
config: ia64-randconfig-r025-20200723 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
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
git checkout ad723674d6758478829ee766e3f1a2a24d56236f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64

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 >>):

In file included from arch/ia64/include/asm/pgtable.h:154,
from include/linux/mm.h:99,
from arch/ia64/include/asm/uaccess.h:38,
from include/linux/uaccess.h:11,
from arch/ia64/include/asm/sections.h:11,
from include/linux/interrupt.h:20,
from include/linux/rtc.h:17,
from include/linux/efi.h:20,
from security/integrity/platform_certs/keyring_handler.c:7:
arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
arch/ia64/include/asm/mmu_context.h:137:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
137 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
| ^~~~~~~
security/integrity/platform_certs/keyring_handler.c: At top level:
>> security/integrity/platform_certs/keyring_handler.c:62:30: warning: no previous prototype for 'get_handler_for_db' [-Wmissing-prototypes]
62 | __init efi_element_handler_t get_handler_for_db(const efi_guid_t *sig_type)
| ^~~~~~~~~~~~~~~~~~
>> security/integrity/platform_certs/keyring_handler.c:73:30: warning: no previous prototype for 'get_handler_for_dbx' [-Wmissing-prototypes]
73 | __init efi_element_handler_t get_handler_for_dbx(const efi_guid_t *sig_type)
| ^~~~~~~~~~~~~~~~~~~

vim +/get_handler_for_db +62 security/integrity/platform_certs/keyring_handler.c

57
58 /*
59 * Return the appropriate handler for particular signature list types found in
60 * the UEFI db and MokListRT tables.
61 */
> 62 __init efi_element_handler_t get_handler_for_db(const efi_guid_t *sig_type)
63 {
64 if (efi_guidcmp(*sig_type, efi_cert_x509_guid) == 0)
65 return add_to_platform_keyring;
66 return 0;
67 }
68
69 /*
70 * Return the appropriate handler for particular signature list types found in
71 * the UEFI dbx and MokListXRT tables.
72 */
> 73 __init efi_element_handler_t get_handler_for_dbx(const efi_guid_t *sig_type)

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