fs/crypto/bio.c:67:17: sparse: sparse: cast from restricted blk_status_t

fs/crypto/bio.c:67:17: sparse: sparse: cast from restricted blk_status_t

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ef0c9f75a19532d7675384708fc8621e10850104
commit: bc26e2efa2c5bb9289fa894834446840dea0bc31 fscrypt: keep multiple bios in flight in fscrypt_zeroout_range_inline_crypt
date:   5 months ago
config: arm-randconfig-r121-20260622 (https://download.01.org/0day-ci/archive/20260623/202606230102.bgOhUw2D-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260623/202606230102.bgOhUw2D-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
| Fixes: bc26e2efa2c5 ("fscrypt: keep multiple bios in flight in fscrypt_zeroout_range_inline_crypt")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202606230102.bgOhUw2D-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> fs/crypto/bio.c:67:17: sparse: sparse: cast from restricted blk_status_t
   fs/crypto/bio.c:67:17: sparse: sparse: cast to restricted blk_status_t
>> fs/crypto/bio.c:67:17: sparse: sparse: cast from restricted blk_status_t
   fs/crypto/bio.c:67:17: sparse: sparse: cast to restricted blk_status_t

vim +67 fs/crypto/bio.c

    61	
    62	static void fscrypt_zeroout_range_end_io(struct bio *bio)
    63	{
    64		struct fscrypt_zero_done *done = bio->bi_private;
    65	
    66		if (bio->bi_status)
  > 67			cmpxchg(&done->status, 0, bio->bi_status);
    68		fscrypt_zeroout_range_done(done);
    69		bio_put(bio);
    70	}
    71	

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