[kbuild-all] [davidhildenbrand:foll_unshare 1/2] net/phonet/sysctl.c:24:8: error: field designator 'seqcount' does not refer to any field in type 'seqcount_t' (aka 'struct seqcount')

Thursday, 9 December 2021

tree:   git://github.com/davidhildenbrand/linux foll_unshare
head:   f4b54ddc31ca94dedc57a3aab1f42d348537a31b
commit: f270db76384cb1df5a7f1b67226a8c8515583e5f [1/2] seqlock: provide lockdep-free
raw_seqcount_t variant
config: riscv-buildonly-randconfig-r003-20211207
(https://download.01.org/0day-ci/archive/20211209/202112090736.d9HFdWOz-lk...)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        #
https://github.com/davidhildenbrand/linux/commit/f270db76384cb1df5a7f1b67...
        git remote add davidhildenbrand git://github.com/davidhildenbrand/linux
        git fetch --no-tags davidhildenbrand foll_unshare
        git checkout f270db76384cb1df5a7f1b67226a8c8515583e5f
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=riscv SHELL=/bin/bash net/phonet/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com&gt;

All errors (new ones prefixed by >>):

   In file included from net/phonet/sysctl.c:17:
   In file included from include/net/sock.h:38:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/riscv/include/asm/io.h:136:
   include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __raw_readb(PCI_IOBASE + addr);
                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:36:51: note: expanded from macro
'__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from net/phonet/sysctl.c:17:
   In file included from include/net/sock.h:38:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/riscv/include/asm/io.h:136:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro
'__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from net/phonet/sysctl.c:17:
   In file included from include/net/sock.h:38:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/riscv/include/asm/io.h:136:
   include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:1024:55: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
           return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
                                                     ~~~~~~~~~~ ^
...
> net/phonet/sysctl.c:24:8: error: field designator
'seqcount' does not refer to any field in type 'seqcount_t' (aka
'struct seqcount')    static DEFINE_SEQLOCK(local_port_range_lock);
          ^
   include/linux/seqlock.h:907:18: note: expanded from macro 'DEFINE_SEQLOCK'
                   seqlock_t sl = __SEQLOCK_UNLOCKED(sl)
                                  ^
   include/linux/seqlock.h:888:15: note: expanded from macro '__SEQLOCK_UNLOCKED'
                   .seqcount = SEQCNT_SPINLOCK_ZERO(lockname, &(lockname).lock), \
                               ^
   include/linux/seqlock.h:358:42: note: expanded from macro
'SEQCNT_SPINLOCK_ZERO'
   #define SEQCNT_SPINLOCK_ZERO(name, lock)        SEQCOUNT_LOCKNAME_ZERO(name, lock)
                                                   ^
   include/linux/seqlock.h:353:15: note: expanded from macro
'SEQCOUNT_LOCKNAME_ZERO'
           .seqcount               = SEQCNT_ZERO(seq_name.seqcount),       \
                                     ^
   include/linux/seqlock.h:141:30: note: expanded from macro 'SEQCNT_ZERO'
   #define SEQCNT_ZERO(name) { .seqcount = RAW_SEQCNT_ZERO(), SEQCOUNT_DEP_MAP_INIT(name)
}
                                ^
   7 warnings and 1 error generated.

vim +24 net/phonet/sysctl.c

87ab4e20b445c6d Remi Denis-Courmont 2008-09-22  23  
87ab4e20b445c6d Remi Denis-Courmont 2008-09-22 @24  static
DEFINE_SEQLOCK(local_port_range_lock);
87ab4e20b445c6d Remi Denis-Courmont 2008-09-22  25  static int local_port_range_min[2] =
{0, 0};
87ab4e20b445c6d Remi Denis-Courmont 2008-09-22  26  static int local_port_range_max[2] =
{1023, 1023};
87ab4e20b445c6d Remi Denis-Courmont 2008-09-22  27  static int local_port_range[2] =
{DYNAMIC_PORT_MIN, DYNAMIC_PORT_MAX};
87ab4e20b445c6d Remi Denis-Courmont 2008-09-22  28  static struct ctl_table_header
*phonet_table_hrd;
87ab4e20b445c6d Remi Denis-Courmont 2008-09-22  29  

:::::: The code at line 24 was first introduced by commit
:::::: 87ab4e20b445c6d2d2727ab4f96fa17f7259511e Phonet: proc interface for port range

:::::: TO: Remi Denis-Courmont <remi.denis-courmont(a)nokia.com&gt;
:::::: CC: David S. Miller <davem(a)davemloft.net&gt;

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

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[kbuild-all] [davidhildenbrand:foll_unshare 1/2] net/phonet/sysctl.c:24:8: error: field designator 'seqcount' does not refer to any field in type 'seqcount_t' (aka 'struct seqcount')