[ardb:x86-efi-zboot 16/16] drivers/firmware/efi/libstub/zboot-x86.c:26:14: error: conflicting types for 'efi_decompress_kernel'

[ardb:x86-efi-zboot 16/16] drivers/firmware/efi/libstub/zboot-x86.c:26:14: error: conflicting types for 'efi_decompress_kernel'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git x86-efi-zboot
head:   9d45748a5e00217becbc742d98c413913ad8344a
commit: 9d45748a5e00217becbc742d98c413913ad8344a [16/16] efi zboot for x86
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20250128/202501281944.OIGe40x9-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250128/202501281944.OIGe40x9-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501281944.OIGe40x9-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/firmware/efi/libstub/zboot-x86.c:26:14: error: conflicting types for 'efi_decompress_kernel'
      26 | efi_status_t efi_decompress_kernel(unsigned long *kernel_entry)
         |              ^
   drivers/firmware/efi/libstub/x86-stub.h:15:14: note: previous declaration is here
      15 | efi_status_t efi_decompress_kernel(unsigned long *kernel_entry,
         |              ^
>> drivers/firmware/efi/libstub/zboot-x86.c:32:53: error: too few arguments to function call, expected 4, have 3
      32 |                  efi_allocate_kernel(alloc_size, &virt_addr, &addr) ?:
         |                  ~~~~~~~~~~~~~~~~~~~                              ^
   drivers/firmware/efi/libstub/x86-stub.h:17:14: note: 'efi_allocate_kernel' declared here
      17 | efi_status_t efi_allocate_kernel(unsigned long alloc_size,
         |              ^                   ~~~~~~~~~~~~~~~~~~~~~~~~~
      18 |                                  unsigned long *virt_addr,
         |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~
      19 |                                  unsigned long *alloc,
         |                                  ~~~~~~~~~~~~~~~~~~~~~
      20 |                                  struct boot_params *boot_params);
         |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   2 errors generated.


vim +/efi_decompress_kernel +26 drivers/firmware/efi/libstub/zboot-x86.c

    25	
  > 26	efi_status_t efi_decompress_kernel(unsigned long *kernel_entry)
    27	{
    28		unsigned long virt_addr, addr, alloc_size, entry;
    29		efi_status_t status;
    30	
    31		status = efi_zboot_decompress_init(&alloc_size, &entry) ?:
  > 32			 efi_allocate_kernel(alloc_size, &virt_addr, &addr) ?:
    33			 efi_zboot_decompress((void *)addr, alloc_size);
    34		if (status != EFI_SUCCESS)
    35			return status;
    36	
    37	
    38		// TODO apply relocations
    39		efi_warn("TODO relocate to 0x%lx\n", virt_addr);
    40	
    41		*kernel_entry = addr + entry;
    42		return EFI_SUCCESS;
    43	}
    44	

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