linux-kernel - [ammarfaizi2-block:google/android/kernel/common/android-trusty-5.4 1704/6879] drivers/scsi/ufs/ufshcd-crypto.c:250:26: warning: no previous prototype for 'ufshcd_blk_crypto_mode_num_for_alg

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Message-ID: <202203030305.6dFYd0qt-lkp@intel.com>
Date:   Thu, 3 Mar 2022 03:47:18 +0800
From:   kernel test robot <lkp@...el.com>
To:     Satya Tangirala <satyat@...gle.com>
Cc:     kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org, Alistair Delva <adelva@...gle.com>
Subject: [ammarfaizi2-block:google/android/kernel/common/android-trusty-5.4
 1704/6879] drivers/scsi/ufs/ufshcd-crypto.c:250:26: warning: no previous
 prototype for 'ufshcd_blk_crypto_mode_num_for_alg_dusize'

Hi Satya,

FYI, the error/warning still remains.

tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-trusty-5.4
head:   d556bac5a4d65c759ce3c5a7529aef568f05f650
commit: b7b3af961465d23a733bb44d4a49bb78d4d5b08f [1704/6879] BACKPORT: FROMLIST: Update Inline Encryption from v5 to v6 of patch series
config: i386-randconfig-r002-20211019 (https://download.01.org/0day-ci/archive/20220303/202203030305.6dFYd0qt-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/ammarfaizi2/linux-block/commit/b7b3af961465d23a733bb44d4a49bb78d4d5b08f
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-trusty-5.4
        git checkout b7b3af961465d23a733bb44d4a49bb78d4d5b08f
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/mmc/core/ drivers/scsi/ufs/ kernel/power/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/scsi/ufs/ufshcd-crypto.c:250:26: warning: no previous prototype for 'ufshcd_blk_crypto_mode_num_for_alg_dusize' [-Wmissing-prototypes]
     250 | enum blk_crypto_mode_num ufshcd_blk_crypto_mode_num_for_alg_dusize(
         |                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/ufshcd_blk_crypto_mode_num_for_alg_dusize +250 drivers/scsi/ufs/ufshcd-crypto.c

   249	
 > 250	enum blk_crypto_mode_num ufshcd_blk_crypto_mode_num_for_alg_dusize(
   251						enum ufs_crypto_alg ufs_crypto_alg,
   252						enum ufs_crypto_key_size key_size)
   253	{
   254		/*
   255		 * This is currently the only mode that UFS and blk-crypto both support.
   256		 */
   257		if (ufs_crypto_alg == UFS_CRYPTO_ALG_AES_XTS &&
   258			key_size == UFS_CRYPTO_KEY_SIZE_256)
   259			return BLK_ENCRYPTION_MODE_AES_256_XTS;
   260	
   261		return BLK_ENCRYPTION_MODE_INVALID;
   262	}
   263	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org