Re: [PATCH 2/2] crypto: Remove unnecessary memzero_explicit()

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

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Hi Waiman,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.7-rc1 next-20200413]
[cannot apply to mmotm/master cryptodev/master crypto/master mac80211-next/master mac80211/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Waiman-Long/mm-treewide-Rename-kzfree-to-kfree_sensitive/20200414-052843
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 8f3d9f354286745c751374f5f1fcafee6b3f3136
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=9.3.0 make.cross ARCH=arm64 

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

All errors (new ones prefixed by >>):

   drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c: In function 'sun8i_ce_des3_setkey':
>> drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c:413:2: error: implicit declaration of function 'free_sensitive'; did you mean 'kfree_sensitive'? [-Werror=implicit-function-declaration]
     413 |  free_sensitive(op->key, op->keylen);
         |  ^~~~~~~~~~~~~~
         |  kfree_sensitive
   cc1: some warnings being treated as errors

vim +413 drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c

   402	
   403	int sun8i_ce_des3_setkey(struct crypto_skcipher *tfm, const u8 *key,
   404				 unsigned int keylen)
   405	{
   406		struct sun8i_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm);
   407		int err;
   408	
   409		err = verify_skcipher_des3_key(tfm, key);
   410		if (err)
   411			return err;
   412	
 > 413		free_sensitive(op->key, op->keylen);

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

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