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Date:   Thu, 22 Jul 2021 13:54:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [arnd-playground:network-ioctl-v6 2/38]
 include/linux/compat.h:348:3: error: unknown type name 'compat_caddr_t'; did
 you mean 'compat_daddr_t'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git network-ioctl-v6
head:   d93d01c9c0e4e00d596e5153e040223d77fe51eb
commit: ab7c178d9f4cdef429952d01fe1349abc2be957e [2/38] compat: make linux/compat.h available everywhere
config: riscv-randconfig-r011-20210720 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c781eb153bfbd1b52b03efe34f56bbeccbb8aba6)
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://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/commit/?id=ab7c178d9f4cdef429952d01fe1349abc2be957e
        git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git
        git fetch --no-tags arnd-playground network-ioctl-v6
        git checkout ab7c178d9f4cdef429952d01fe1349abc2be957e
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=riscv SHELL=/bin/bash drivers/scsi/ fs/

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

All error/warnings (new ones prefixed by >>):

   In file included from fs/open.c:32:
   In file included from include/linux/ima.h:13:
   In file included from include/linux/kexec.h:25:
>> include/linux/compat.h:348:3: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
                   compat_caddr_t  ifru_data;
                   ^~~~~~~~~~~~~~
                   compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   In file included from fs/open.c:32:
   In file included from include/linux/ima.h:13:
   In file included from include/linux/kexec.h:25:
   include/linux/compat.h:355:2: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
           compat_caddr_t  ifcbuf;
           ^~~~~~~~~~~~~~
           compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   2 errors generated.
--
   In file included from fs/statfs.c:11:
>> include/linux/compat.h:348:3: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
                   compat_caddr_t  ifru_data;
                   ^~~~~~~~~~~~~~
                   compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   In file included from fs/statfs.c:11:
   include/linux/compat.h:355:2: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
           compat_caddr_t  ifcbuf;
           ^~~~~~~~~~~~~~
           compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   fs/statfs.c:131:3: warning: 'memcpy' will always overflow; destination buffer has size 64, but size argument is 88 [-Wfortify-source]
                   memcpy(&buf, st, sizeof(*st));
                   ^
   1 warning and 2 errors generated.
--
   In file included from fs/io_uring.c:46:
>> include/linux/compat.h:348:3: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
                   compat_caddr_t  ifru_data;
                   ^~~~~~~~~~~~~~
                   compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   In file included from fs/io_uring.c:46:
   include/linux/compat.h:355:2: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
           compat_caddr_t  ifcbuf;
           ^~~~~~~~~~~~~~
           compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   In file included from fs/io_uring.c:57:
   include/linux/mman.h:158:9: warning: division by zero is undefined [-Wdivision-by-zero]
                  _calc_vm_trans(flags, MAP_SYNC,       VM_SYNC      ) |
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/mman.h:135:21: note: expanded from macro '_calc_vm_trans'
      : ((x) & (bit1)) / ((bit1) / (bit2))))
                       ^ ~~~~~~~~~~~~~~~~~
   1 warning and 2 errors generated.
--
   In file included from drivers/scsi/ips.c:183:
   In file included from include/scsi/sg.h:72:
>> include/linux/compat.h:348:3: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
                   compat_caddr_t  ifru_data;
                   ^~~~~~~~~~~~~~
                   compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   In file included from drivers/scsi/ips.c:183:
   In file included from include/scsi/sg.h:72:
   include/linux/compat.h:355:2: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
           compat_caddr_t  ifcbuf;
           ^~~~~~~~~~~~~~
           compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
>> drivers/scsi/ips.c:6927:38: warning: shift count >= width of type [-Wshift-count-overflow]
               !dma_set_mask(&ha->pcidev->dev, DMA_BIT_MASK(64))) {
                                               ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                                        ^ ~~~
   1 warning and 2 errors generated.
--
   In file included from drivers/scsi/hpsa.c:32:
>> include/linux/compat.h:348:3: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
                   compat_caddr_t  ifru_data;
                   ^~~~~~~~~~~~~~
                   compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   In file included from drivers/scsi/hpsa.c:32:
   include/linux/compat.h:355:2: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
           compat_caddr_t  ifcbuf;
           ^~~~~~~~~~~~~~
           compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
>> drivers/scsi/hpsa.c:8741:32: warning: shift count >= width of type [-Wshift-count-overflow]
           rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
                                         ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                                        ^ ~~~
   drivers/scsi/hpsa.c:9481:16: warning: variable 'transMethod' set but not used [-Wunused-but-set-variable]
           unsigned long transMethod = CFGTBL_Trans_Performant |
                         ^
   2 warnings and 2 errors generated.
--
   In file included from fs/ext4/super.c:50:
   In file included from fs/ext4/ext4.h:40:
>> include/linux/compat.h:348:3: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
                   compat_caddr_t  ifru_data;
                   ^~~~~~~~~~~~~~
                   compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   In file included from fs/ext4/super.c:50:
   In file included from fs/ext4/ext4.h:40:
   include/linux/compat.h:355:2: error: unknown type name 'compat_caddr_t'; did you mean 'compat_daddr_t'?
           compat_caddr_t  ifcbuf;
           ^~~~~~~~~~~~~~
           compat_daddr_t
   include/asm-generic/compat.h:13:13: note: 'compat_daddr_t' declared here
   typedef s32 compat_daddr_t;
               ^
   fs/ext4/super.c:5843:6: warning: variable 'enable_quota' set but not used [-Wunused-but-set-variable]
           int enable_quota = 0;
               ^
   1 warning and 2 errors generated.


vim +348 include/linux/compat.h

7a50a240c49547 Arnd Bergmann 2009-11-08  331  
2dceba14ef0e62 Arnd Bergmann 2009-11-06  332  struct compat_ifreq {
2dceba14ef0e62 Arnd Bergmann 2009-11-06  333  	union {
2dceba14ef0e62 Arnd Bergmann 2009-11-06  334  		char	ifrn_name[IFNAMSIZ];    /* if name, e.g. "en0" */
2dceba14ef0e62 Arnd Bergmann 2009-11-06  335  	} ifr_ifrn;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  336  	union {
2dceba14ef0e62 Arnd Bergmann 2009-11-06  337  		struct	sockaddr ifru_addr;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  338  		struct	sockaddr ifru_dstaddr;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  339  		struct	sockaddr ifru_broadaddr;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  340  		struct	sockaddr ifru_netmask;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  341  		struct	sockaddr ifru_hwaddr;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  342  		short	ifru_flags;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  343  		compat_int_t	ifru_ivalue;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  344  		compat_int_t	ifru_mtu;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  345  		struct	compat_ifmap ifru_map;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  346  		char	ifru_slave[IFNAMSIZ];   /* Just fits the size */
2dceba14ef0e62 Arnd Bergmann 2009-11-06  347  		char	ifru_newname[IFNAMSIZ];
2dceba14ef0e62 Arnd Bergmann 2009-11-06 @348  		compat_caddr_t	ifru_data;
7a50a240c49547 Arnd Bergmann 2009-11-08  349  		struct	compat_if_settings ifru_settings;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  350  	} ifr_ifru;
2dceba14ef0e62 Arnd Bergmann 2009-11-06  351  };
2dceba14ef0e62 Arnd Bergmann 2009-11-06  352  

:::::: The code at line 348 was first introduced by commit
:::::: 2dceba14ef0e62738d58777a1bd4018130d47a74 compat: add struct compat_ifreq etc to compat.h

:::::: TO: Arnd Bergmann <arnd@...db.de>
:::::: CC: David S. Miller <davem@...emloft.net>

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

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