[lindholm-alpha:for-next 25/25] arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:392:28: sparse: sparse: incorrect type in argument 1 (different base types)

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/lindholm/alpha.git for-next
head:   33465f6ab697abceafd9a340067a544d551c4412
commit: 33465f6ab697abceafd9a340067a544d551c4412 [25/25] alpha: support the remaining kernel compression formats
config: alpha-randconfig-r1305-20260923 (https://download.01.org/0day-ci/archive/20260923/202609231955.2FkT2KAq-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 8.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260923/202609231955.2FkT2KAq-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609231955.2FkT2KAq-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   arch/alpha/boot/compressed/misc.c: note: in included file (through arch/alpha/boot/compressed/../../../../lib/decompress_unxz.c):
>> arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:392:28: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:392:28: sparse:     expected restricted __le32 const [usertype] *p
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:392:28: sparse:     got unsigned int const [usertype] *
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:426:48: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:426:48: sparse:     expected restricted __le32 const [usertype] *p
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:426:48: sparse:     got unsigned int const [usertype] *
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:434:37: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:434:37: sparse:     expected restricted __le32 const [usertype] *p
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:434:37: sparse:     got unsigned int const [usertype] *
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:458:28: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:458:28: sparse:     expected restricted __le32 const [usertype] *p
   arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c:458:28: sparse:     got unsigned int const [usertype] *

vim +392 arch/alpha/boot/compressed/../../../../lib/xz/xz_dec_stream.c

24fa0402a9b6a53 Lasse Collin 2011-01-12  384  
24fa0402a9b6a53 Lasse Collin 2011-01-12  385  /* Decode the Stream Header field (the first 12 bytes of the .xz Stream). */
24fa0402a9b6a53 Lasse Collin 2011-01-12  386  static enum xz_ret dec_stream_header(struct xz_dec *s)
24fa0402a9b6a53 Lasse Collin 2011-01-12  387  {
24fa0402a9b6a53 Lasse Collin 2011-01-12  388  	if (!memeq(s->temp.buf, HEADER_MAGIC, HEADER_MAGIC_SIZE))
24fa0402a9b6a53 Lasse Collin 2011-01-12  389  		return XZ_FORMAT_ERROR;
24fa0402a9b6a53 Lasse Collin 2011-01-12  390  
24fa0402a9b6a53 Lasse Collin 2011-01-12  391  	if (xz_crc32(s->temp.buf + HEADER_MAGIC_SIZE, 2, 0)
24fa0402a9b6a53 Lasse Collin 2011-01-12 @392  			!= get_le32(s->temp.buf + HEADER_MAGIC_SIZE + 2))
24fa0402a9b6a53 Lasse Collin 2011-01-12  393  		return XZ_DATA_ERROR;
24fa0402a9b6a53 Lasse Collin 2011-01-12  394  
24fa0402a9b6a53 Lasse Collin 2011-01-12  395  	if (s->temp.buf[HEADER_MAGIC_SIZE] != 0)
24fa0402a9b6a53 Lasse Collin 2011-01-12  396  		return XZ_OPTIONS_ERROR;
24fa0402a9b6a53 Lasse Collin 2011-01-12  397  
24fa0402a9b6a53 Lasse Collin 2011-01-12  398  	/*
24fa0402a9b6a53 Lasse Collin 2011-01-12  399  	 * Of integrity checks, we support only none (Check ID = 0) and
24fa0402a9b6a53 Lasse Collin 2011-01-12  400  	 * CRC32 (Check ID = 1). However, if XZ_DEC_ANY_CHECK is defined,
24fa0402a9b6a53 Lasse Collin 2011-01-12  401  	 * we will accept other check types too, but then the check won't
24fa0402a9b6a53 Lasse Collin 2011-01-12  402  	 * be verified and a warning (XZ_UNSUPPORTED_CHECK) will be given.
24fa0402a9b6a53 Lasse Collin 2011-01-12  403  	 */
4f8d7abaa413c34 Lasse Collin 2021-10-11  404  	if (s->temp.buf[HEADER_MAGIC_SIZE + 1] > XZ_CHECK_MAX)
4f8d7abaa413c34 Lasse Collin 2021-10-11  405  		return XZ_OPTIONS_ERROR;
4f8d7abaa413c34 Lasse Collin 2021-10-11  406  
24fa0402a9b6a53 Lasse Collin 2011-01-12  407  	s->check_type = s->temp.buf[HEADER_MAGIC_SIZE + 1];
24fa0402a9b6a53 Lasse Collin 2011-01-12  408  

:::::: The code at line 392 was first introduced by commit
:::::: 24fa0402a9b6a537e87e38341e78b7da86486846 decompressors: add XZ decompressor module

:::::: TO: Lasse Collin <lasse.collin@tukaani.org>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki