block/blk-crypto-sysfs.c:82:33: warning: Parameter 'attr' can be declared as pointer to const [constParameter]

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

:::::: 
:::::: Manual check reason: "low confidence static check warning: block/blk-crypto-sysfs.c:82:33: warning: Parameter 'attr' can be declared as pointer to const [constParameter]"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Eric Biggers <ebiggers@google.com>
CC: Jens Axboe <axboe@kernel.dk>
CC: Hannes Reinecke <hare@suse.de>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2f5065a0bc9d0afb45f2ae284bd525d55ce82c33
commit: 20f01f163203666010ee1560852590a0c0572726 blk-crypto: show crypto capabilities in sysfs
date:   8 months ago
:::::: branch date: 22 hours ago
:::::: commit date: 8 months ago
compiler: sh4-linux-gcc (GCC) 12.1.0
reproduce (cppcheck warning):
        # apt-get install cppcheck
        git checkout 20f01f163203666010ee1560852590a0c0572726
        cppcheck --quiet --enable=style,performance,portability --template=gcc FILE

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> block/blk-crypto-sysfs.c:82:33: warning: Parameter 'attr' can be declared as pointer to const [constParameter]
           struct blk_crypto_attr *attr, char *page)
                                   ^

vim +/attr +82 block/blk-crypto-sysfs.c

20f01f16320366 Eric Biggers 2022-01-24  80  
20f01f16320366 Eric Biggers 2022-01-24  81  static ssize_t blk_crypto_mode_show(struct blk_crypto_profile *profile,
20f01f16320366 Eric Biggers 2022-01-24 @82  				    struct blk_crypto_attr *attr, char *page)
20f01f16320366 Eric Biggers 2022-01-24  83  {
20f01f16320366 Eric Biggers 2022-01-24  84  	int mode_num = attr - __blk_crypto_mode_attrs;
20f01f16320366 Eric Biggers 2022-01-24  85  
20f01f16320366 Eric Biggers 2022-01-24  86  	return sysfs_emit(page, "0x%x\n", profile->modes_supported[mode_num]);
20f01f16320366 Eric Biggers 2022-01-24  87  }
20f01f16320366 Eric Biggers 2022-01-24  88  

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