linux-kernel - Re: [PATCH 3/4] dm verity: add support for forward error correction

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Message-ID: <201511051328.oBcWOxDz%fengguang.wu@intel.com>
Date:	Thu, 5 Nov 2015 13:36:01 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Sami Tolvanen <samitolvanen@...gle.com>
Cc:	kbuild-all@...org, Mikulas Patocka <mpatocka@...hat.com>,
	Mandeep Baines <msb@...omium.org>,
	Will Drewry <wad@...omium.org>,
	Alasdair Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
	linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>,
	Mark Salyzyn <salyzyn@...gle.com>,
	Sami Tolvanen <samitolvanen@...gle.com>
Subject: Re: [PATCH 3/4] dm verity: add support for forward error correction

Hi Sami,

[auto build test ERROR on: dm/for-next]
[also build test ERROR on: v4.3 next-20151104]

url:    https://github.com/0day-ci/linux/commits/Sami-Tolvanen/dm-verity-clean-up-duplicate-hashing-code/20151105-124458
base:   https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
config: i386-randconfig-a0-201544 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/md/dm-verity.c: In function 'verity_fec_decode_rs8':
>> drivers/md/dm-verity.c:569:9: error: implicit declaration of function 'decode_rs8' [-Werror=implicit-function-declaration]
     return decode_rs8(io->rs, data, par, v->fec_rsn, NULL, neras,
            ^
   cc1: some warnings being treated as errors

vim +/decode_rs8 +569 drivers/md/dm-verity.c

   563		int i;
   564		uint16_t par[v->fec_roots];
   565	
   566		for (i = 0; i < v->fec_roots; i++)
   567			par[i] = fec[i];
   568	
 > 569		return decode_rs8(io->rs, data, par, v->fec_rsn, NULL, neras,
   570				  io->erasures, 0, NULL);
   571	}
   572	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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