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

From: kbuild test robot
Date: Fri May 22 2020 - 08:24:26 EST


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@xxxxxxxxx>


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

---
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Attachment: .config.gz
Description: application/gzip