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Message-ID: <202203191347.e08ajS69-lkp@intel.com>
Date: Sat, 19 Mar 2022 13:41:46 +0800
From: kernel test robot <lkp@...el.com>
To: Jeff Layton <jlayton@...nel.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [jlayton:ceph-fscrypt-sparse 14/69] net/ceph/osd_client.c:5846:30:
error: initializing 'struct ceph_sparse_extent *' with an expression of
incompatible type 'struct ceph_sparse_extent'; take the address with &
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git ceph-fscrypt-sparse
head: a6125c2dec56f1f523f5009ce8b25932ba4be812
commit: e969e142a5b44ddaee26f3effb0903e5ae9c56c7 [14/69] libceph: add sparse read support to OSD client
config: s390-randconfig-c005-20220317 (https://download.01.org/0day-ci/archive/20220319/202203191347.e08ajS69-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6e70e4056dff962ec634c5bd4f2f4105a0bef71)
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 s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/?id=e969e142a5b44ddaee26f3effb0903e5ae9c56c7
git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git
git fetch --no-tags jlayton ceph-fscrypt-sparse
git checkout e969e142a5b44ddaee26f3effb0903e5ae9c56c7
# 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=s390 SHELL=/bin/bash net/ceph/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from net/ceph/osd_client.c:17:
In file included from include/linux/ceph/libceph.h:21:
In file included from include/linux/ceph/messenger.h:13:
In file included from include/net/net_namespace.h:40:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:75:
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/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
#define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
^
In file included from net/ceph/osd_client.c:17:
In file included from include/linux/ceph/libceph.h:21:
In file included from include/linux/ceph/messenger.h:13:
In file included from include/net/net_namespace.h:40:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:75:
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/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
#define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
^
In file included from net/ceph/osd_client.c:17:
In file included from include/linux/ceph/libceph.h:21:
In file included from include/linux/ceph/messenger.h:13:
In file included from include/net/net_namespace.h:40:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:75:
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:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
>> net/ceph/osd_client.c:5846:30: error: initializing 'struct ceph_sparse_extent *' with an expression of incompatible type 'struct ceph_sparse_extent'; take the address with &
struct ceph_sparse_extent *ext = sr->sr_extent[i];
^ ~~~~~~~~~~~~~~~~
&
12 warnings and 1 error generated.
vim +5846 net/ceph/osd_client.c
5839
5840 #ifdef __BIG_ENDIAN
5841 static inline void convert_extent_map(struct ceph_sparse_read *sr)
5842 {
5843 int i;
5844
5845 for (i = 0; i < sr->sr_count; i++) {
> 5846 struct ceph_sparse_extent *ext = sr->sr_extent[i];
5847
5848 ext->off = le64_to_cpu((__force __le32)ext->off);
5849 ext->len = le64_to_cpu((__force __le32)ext->len);
5850 }
5851 }
5852 #else
5853 static inline void convert_extent_map(struct ceph_sparse_read *sr)
5854 {
5855 }
5856 #endif
5857
---
0-DAY CI Kernel Test Service
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