[zen-kernel-zen-kernel:5.13/futex2 1/19] kernel/futex2.c:474:25: error: use of undeclared identifier 'uaddr'

[zen-kernel-zen-kernel:5.13/futex2 1/19] kernel/futex2.c:474:25: error: use of undeclared identifier 'uaddr'

[kernel test robot]

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tree:   https://github.com/zen-kernel/zen-kernel 5.13/futex2
head:   db649ce1f5de12432be5bfedd8388eacc2f85efc
commit: f12c1f14276bce0f66e514b419e68506fb5bad55 [1/19] futex2: Implement wait and wake functions
config: powerpc64-randconfig-r011-20210718 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5d5b08761f944d5b9822d582378333cc4b36a0a7)
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 powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://github.com/zen-kernel/zen-kernel/commit/f12c1f14276bce0f66e514b419e68506fb5bad55
        git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel
        git fetch --no-tags zen-kernel-zen-kernel 5.13/futex2
        git checkout f12c1f14276bce0f66e514b419e68506fb5bad55
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   In file included from kernel/futex2.c:16:
   In file included from include/linux/freezer.h:7:
   In file included from include/linux/debug_locks.h:5:
   In file included from include/linux/atomic.h:7:
   In file included from arch/powerpc/include/asm/atomic.h:11:
   In file included from arch/powerpc/include/asm/cmpxchg.h:8:
   In file included from include/linux/bug.h:5:
   In file included from arch/powerpc/include/asm/bug.h:109:
   In file included from include/asm-generic/bug.h:20:
   In file included from include/linux/kernel.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/powerpc/include/asm/bitops.h:62:
   arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
   #define __lwsync()      __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
           ^
   <built-in>:309:9: note: previous definition is here
   #define __lwsync __builtin_ppc_lwsync
           ^
   kernel/futex2.c:470:43: error: expected identifier
   COMPAT_SYSCALL_DEFINE4(compat_futex_wait, void __user *, uaddr, compat_u64, val,
                                             ^
>> kernel/futex2.c:474:25: error: use of undeclared identifier 'uaddr'
           return ksys_futex_wait(uaddr, val, flags, timo);
                                  ^
>> kernel/futex2.c:474:32: error: use of undeclared identifier 'val'
           return ksys_futex_wait(uaddr, val, flags, timo);
                                         ^
   kernel/futex2.c:474:37: error: use of undeclared identifier 'flags'
           return ksys_futex_wait(uaddr, val, flags, timo);
                                              ^
   kernel/futex2.c:474:44: error: use of undeclared identifier 'timo'
           return ksys_futex_wait(uaddr, val, flags, timo);
                                                     ^
   kernel/futex2.c:470:1: warning: no previous prototype for function 'COMPAT_SYSCALL_DEFINE4' [-Wmissing-prototypes]
   COMPAT_SYSCALL_DEFINE4(compat_futex_wait, void __user *, uaddr, compat_u64, val,
   ^
   kernel/futex2.c:470:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   COMPAT_SYSCALL_DEFINE4(compat_futex_wait, void __user *, uaddr, compat_u64, val,
   ^
   static 
   kernel/futex2.c:470:23: error: this old-style function definition is not preceded by a prototype [-Werror,-Wstrict-prototypes]
   COMPAT_SYSCALL_DEFINE4(compat_futex_wait, void __user *, uaddr, compat_u64, val,
                         ^
   2 warnings and 6 errors generated.


vim +/uaddr +474 kernel/futex2.c

   468	
   469	#ifdef CONFIG_COMPAT
   470	COMPAT_SYSCALL_DEFINE4(compat_futex_wait, void __user *, uaddr, compat_u64, val,
   471			       unsigned int, flags,
   472			       struct __kernel_timespec __user *, timo)
   473	{
 > 474		return ksys_futex_wait(uaddr, val, flags, timo);
   475	}
   476	#endif
   477	

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

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