Re: [PATCH v2 1/3] dm-inlinecrypt: Add inline encryption support

kernel test robot
2024-09-18T05:09:03Z

Hi Md,

kernel test robot noticed the following build warnings:

[auto build test WARNING on device-mapper-dm/for-next]
[also build test WARNING on axboe-block/for-next linus/master song-md/md-next v6.11 next-20240917]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Md-Sadre-Alam/dm-inlinecrypt-Add-inline-encryption-support/20240916-170452
base: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
patch link: https://lore.kernel.org/r/20240916085741.1636554-2-quic_mdalam%40quicinc.com
patch subject: [PATCH v2 1/3] dm-inlinecrypt: Add inline encryption support
config: csky-randconfig-r111-20240918 (https://download.01.org/0day-ci/archive/20240918/202409181233.1FrQNVtU-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20240918/202409181233.1FrQNVtU-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/202409181233.1FrQNVtU-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/md/dm-inline-crypt.c:120:26: sparse: sparse: cast to restricted __le64
drivers/md/dm-inline-crypt.c:214:32: sparse: sparse: self-comparison always evaluates to false

vim +120 drivers/md/dm-inline-crypt.c

109
110 static void crypt_inline_encrypt_submit(struct dm_target *ti, struct bio *bio)
111 {
112 struct inlinecrypt_config *cc = ti->private;
113 u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE];
114
115 bio_set_dev(bio, cc->dev->bdev);
116 if (bio_sectors(bio)) {
117 memset(dun, 0, BLK_CRYPTO_MAX_IV_SIZE);
118 bio->bi_iter.bi_sector = cc->start +
119 dm_target_offset(ti, bio->bi_iter.bi_sector);
> 120 dun[0] = le64_to_cpu(bio->bi_iter.bi_sector + cc->iv_offset);
121 bio_crypt_set_ctx(bio, cc->blk_key, dun, GFP_KERNEL);
122 }
123
124 submit_bio_noacct(bio);
125 }
126

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0-DAY CI Kernel Test Service