linux-kernel - drivers/ide/ide-ioctls.c:15:24: sparse: sparse: incorrect type in initializer (different address spaces)

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Message-ID: <202005222050.mkKQBFyc%lkp@intel.com>
Date:   Fri, 22 May 2020 20:23:52 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Ben Hutchings <bwh@...nel.org>
Subject: drivers/ide/ide-ioctls.c:15:24: sparse: sparse: incorrect type in
 initializer (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   051143e1602d90ea71887d92363edd539d411de5
commit: 1df23c6fe5b0654ece219985a0c32e40b100bd9a compat_ioctl: move HDIO ioctl handling into drivers/ide
date:   5 months ago
config: xtensa-randconfig-s002-20200522 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-193-gb8fad4bc-dirty
        git checkout 1df23c6fe5b0654ece219985a0c32e40b100bd9a
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=xtensa CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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


sparse warnings: (new ones prefixed by >>)

   ./arch/xtensa/include/generated/uapi/asm/unistd_32.h:391:41: sparse: sparse: no newline at end of file
>> drivers/ide/ide-ioctls.c:15:24: sparse: sparse: incorrect type in initializer (different address spaces) @@    expected signed int *__pu_addr @@    got signed int [noderef] [usertypsigned int *__pu_addr @@
>> drivers/ide/ide-ioctls.c:15:24: sparse:    expected signed int *__pu_addr
>> drivers/ide/ide-ioctls.c:15:24: sparse:    got signed int [noderef] [usertype] <asn:1> *
>> drivers/ide/ide-ioctls.c:15:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@    expected void [noderef] <asn:1> *to @@    got f] <asn:1> *to @@
   drivers/ide/ide-ioctls.c:15:24: sparse:    expected void [noderef] <asn:1> *to
>> drivers/ide/ide-ioctls.c:15:24: sparse:    got signed int *__pu_addr
   drivers/ide/ide-ioctls.c:17:16: sparse: sparse: incorrect type in initializer (different address spaces) @@    expected long *__pu_addr @@    got long [noderef] <aslong *__pu_addr @@
   drivers/ide/ide-ioctls.c:17:16: sparse:    expected long *__pu_addr
   drivers/ide/ide-ioctls.c:17:16: sparse:    got long [noderef] <asn:1> *
   drivers/ide/ide-ioctls.c:17:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@    expected void [noderef] <asn:1> *to @@    got n:1> *to @@
   drivers/ide/ide-ioctls.c:17:16: sparse:    expected void [noderef] <asn:1> *to
   drivers/ide/ide-ioctls.c:17:16: sparse:    got long *__pu_addr
   include/linux/ata.h:1101:34: sparse: sparse: incorrect type in assignment (different base types) @@    expected unsigned short [usertype] @@    got resunsigned short [usertype] @@
   include/linux/ata.h:1101:34: sparse:    expected unsigned short [usertype]
   include/linux/ata.h:1101:34: sparse:    got restricted __le16 [usertype]
   include/linux/ata.h:1102:34: sparse: sparse: incorrect type in assignment (different base types) @@    expected unsigned short [usertype] @@    got resunsigned short [usertype] @@
   include/linux/ata.h:1102:34: sparse:    expected unsigned short [usertype]
   include/linux/ata.h:1102:34: sparse:    got restricted __le16 [usertype]
   include/linux/ata.h:1103:34: sparse: sparse: incorrect type in assignment (different base types) @@    expected unsigned short [usertype] @@    got resunsigned short [usertype] @@
   include/linux/ata.h:1103:34: sparse:    expected unsigned short [usertype]
   include/linux/ata.h:1103:34: sparse:    got restricted __le16 [usertype]
   include/linux/ata.h:1104:34: sparse: sparse: incorrect type in assignment (different base types) @@    expected unsigned short [usertype] @@    got resunsigned short [usertype] @@
   include/linux/ata.h:1104:34: sparse:    expected unsigned short [usertype]
   include/linux/ata.h:1104:34: sparse:    got restricted __le16 [usertype]
   include/linux/ata.h:1105:34: sparse: sparse: incorrect type in assignment (different base types) @@    expected unsigned short [usertype] @@    got resunsigned short [usertype] @@
   include/linux/ata.h:1105:34: sparse:    expected unsigned short [usertype]
   include/linux/ata.h:1105:34: sparse:    got restricted __le16 [usertype]

vim +15 drivers/ide/ide-ioctls.c

    11	
    12	static int put_user_long(long val, unsigned long arg)
    13	{
    14		if (in_compat_syscall())
  > 15			return put_user(val, (compat_long_t __user *)compat_ptr(arg));
    16	
    17		return put_user(val, (long __user *)arg);
    18	}
    19	

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

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