* [cel:nfsd-testing 18/18] fs/nfsd/blocklayoutxdr.c:166:1: error: function definition is not allowed here
@ 2024-06-16 22:49 kernel test robot
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From: kernel test robot @ 2024-06-16 22:49 UTC (permalink / raw)
To: Chuck Lever; +Cc: llvm, oe-kbuild-all
tree: git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux nfsd-testing
head: c84c489cded2df7bcd07b5205179cd19b0f0718b
commit: c84c489cded2df7bcd07b5205179cd19b0f0718b [18/18] nfsd/blocklayout: Clean up dprintk's
config: s390-randconfig-001-20240617 (https://download.01.org/0day-ci/archive/20240617/202406170656.QJXrQzOj-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240617/202406170656.QJXrQzOj-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/202406170656.QJXrQzOj-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from fs/nfsd/blocklayoutxdr.c:5:
In file included from include/linux/sunrpc/svc.h:17:
In file included from include/linux/sunrpc/xdr.h:17:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
| ^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
| ^
In file included from fs/nfsd/blocklayoutxdr.c:5:
In file included from include/linux/sunrpc/svc.h:17:
In file included from include/linux/sunrpc/xdr.h:17:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
| ^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
| ^
In file included from fs/nfsd/blocklayoutxdr.c:5:
In file included from include/linux/sunrpc/svc.h:17:
In file included from include/linux/sunrpc/xdr.h:17:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
693 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
701 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
709 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
718 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
727 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
736 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> fs/nfsd/blocklayoutxdr.c:166:1: error: function definition is not allowed here
166 | {
| ^
>> fs/nfsd/blocklayoutxdr.c:201:2: error: expected '}'
201 | }
| ^
fs/nfsd/blocklayoutxdr.c:115:1: note: to match this '{'
115 | {
| ^
12 warnings and 2 errors generated.
vim +166 fs/nfsd/blocklayoutxdr.c
f99d4fbdae6765 Christoph Hellwig 2016-03-04 162
f99d4fbdae6765 Christoph Hellwig 2016-03-04 163 int
f99d4fbdae6765 Christoph Hellwig 2016-03-04 164 nfsd4_scsi_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
f99d4fbdae6765 Christoph Hellwig 2016-03-04 165 u32 block_size)
f99d4fbdae6765 Christoph Hellwig 2016-03-04 @166 {
f99d4fbdae6765 Christoph Hellwig 2016-03-04 167 struct iomap *iomaps;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 168 u32 nr_iomaps, expected, i;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 169
c84c489cded2df Chuck Lever 2024-06-16 170 if (unlikely(len < XDR_UNIT))
f99d4fbdae6765 Christoph Hellwig 2016-03-04 171 return -EINVAL;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 172
f99d4fbdae6765 Christoph Hellwig 2016-03-04 173 nr_iomaps = be32_to_cpup(p++);
c84c489cded2df Chuck Lever 2024-06-16 174 expected = XDR_UNIT + nr_iomaps * PNFS_SCSI_RANGE_SIZE;
c84c489cded2df Chuck Lever 2024-06-16 175 if (unlikely(len != expected))
f99d4fbdae6765 Christoph Hellwig 2016-03-04 176 return -EINVAL;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 177
f99d4fbdae6765 Christoph Hellwig 2016-03-04 178 iomaps = kcalloc(nr_iomaps, sizeof(*iomaps), GFP_KERNEL);
c84c489cded2df Chuck Lever 2024-06-16 179 if (unlikely(!iomaps))
f99d4fbdae6765 Christoph Hellwig 2016-03-04 180 return -ENOMEM;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 181
f99d4fbdae6765 Christoph Hellwig 2016-03-04 182 for (i = 0; i < nr_iomaps; i++) {
f99d4fbdae6765 Christoph Hellwig 2016-03-04 183 u64 val;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 184
f99d4fbdae6765 Christoph Hellwig 2016-03-04 185 p = xdr_decode_hyper(p, &val);
c84c489cded2df Chuck Lever 2024-06-16 186 if (unlikely(val & (block_size - 1)))
f99d4fbdae6765 Christoph Hellwig 2016-03-04 187 goto fail;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 188 iomaps[i].offset = val;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 189
f99d4fbdae6765 Christoph Hellwig 2016-03-04 190 p = xdr_decode_hyper(p, &val);
c84c489cded2df Chuck Lever 2024-06-16 191 if (unlikely(val & (block_size - 1)))
f99d4fbdae6765 Christoph Hellwig 2016-03-04 192 goto fail;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 193 iomaps[i].length = val;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 194 }
f99d4fbdae6765 Christoph Hellwig 2016-03-04 195
f99d4fbdae6765 Christoph Hellwig 2016-03-04 196 *iomapp = iomaps;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 197 return nr_iomaps;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 198 fail:
f99d4fbdae6765 Christoph Hellwig 2016-03-04 199 kfree(iomaps);
f99d4fbdae6765 Christoph Hellwig 2016-03-04 200 return -EINVAL;
f99d4fbdae6765 Christoph Hellwig 2016-03-04 @201 }
:::::: The code at line 166 was first introduced by commit
:::::: f99d4fbdae6765d0bb4ed5441f6fa1f036122d59 nfsd: add SCSI layout support
:::::: TO: Christoph Hellwig <hch@lst.de>
:::::: CC: J. Bruce Fields <bfields@redhat.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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