linux-ext4 - Re: [PATCH 4/26] dm crypt: Use skcipher and ahash

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Date:	Sun, 24 Jan 2016 21:43:44 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	kbuild-all@...org,
	Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org, devel@...verdev.osuosl.org,
	dm-devel@...hat.com, linux-wireless@...r.kernel.org,
	linux-cifs@...r.kernel.org, ecryptfs@...r.kernel.org,
	linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
	linux-nfs@...r.kernel.org, keyrings@...r.kernel.org,
	linux-bluetooth@...r.kernel.org, ceph-devel@...r.kernel.org,
	linux-wpan@...r.kernel.org, linux-afs@...ts.infradead.org,
	drbd-dev@...ts.linbit.com, open-iscsi@...glegroups.com
Subject: Re: [PATCH 4/26] dm crypt: Use skcipher and ahash

Hi Herbert,

[auto build test ERROR on net/master]
[also build test ERROR on v4.4 next-20160122]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Herbert-Xu/crypto-Use-skcipher-and-ahash-shash-where-possible/20160124-212323
config: x86_64-randconfig-x014-201604 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/md/dm-crypt.c: In function 'crypt_iv_essiv_init':
>> drivers/md/dm-crypt.c:278:2: error: implicit declaration of function 'ahash_request_zero' [-Werror=implicit-function-declaration]
     ahash_request_zero(req);
     ^
   cc1: some warnings being treated as errors

vim +/ahash_request_zero +278 drivers/md/dm-crypt.c

   272		sg_init_one(&sg, cc->key, cc->key_size);
   273		ahash_request_set_tfm(req, essiv->hash_tfm);
   274		ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL);
   275		ahash_request_set_crypt(req, &sg, essiv->salt, cc->key_size);
   276	
   277		err = crypto_ahash_digest(req);
 > 278		ahash_request_zero(req);
   279		if (err)
   280			return err;
   281	

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