Messages in this thread | | | Date | Sat, 19 Mar 2022 13:41:46 +0800 | From | kernel test robot <> | 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 & |
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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@intel.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
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