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Date:	Wed, 7 Oct 2015 00:59:13 +0800
From:	kbuild test robot <>
To:	Chris Metcalf <>
Cc:, Linus Torvalds <>,
	Ingo Molnar <>,
	Alexey Dobriyan <>,
	Linux Kernel Mailing List <>,
	Chris Metcalf <>
Subject: Re: [PATCH] strscpy: zero any trailing garbage bytes in the

Hi Chris,

[auto build test ERROR on v4.3-rc4 -- if it's inappropriate base, please ignore]

config: alpha-defconfig (attached as .config)
        wget -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=alpha 

All errors (new ones prefixed by >>):

   lib/string.c: In function 'strscpy':
>> lib/string.c:209:4: error: implicit declaration of function 'zero_bytemask' [-Werror=implicit-function-declaration]
       *(unsigned long *)(dest+res) = c & zero_bytemask(data);
   cc1: some warnings being treated as errors

vim +/zero_bytemask +209 lib/string.c

   203			unsigned long c, data;
   205			c = *(unsigned long *)(src+res);
   206			if (has_zero(c, &data, &constants)) {
   207				data = prep_zero_mask(c, data, &constants);
   208				data = create_zero_mask(data);
 > 209				*(unsigned long *)(dest+res) = c & zero_bytemask(data);
   210				return res + find_zero(data);
   211			}
   212			*(unsigned long *)(dest+res) = c;

0-DAY kernel test infrastructure                Open Source Technology Center                   Intel Corporation

Download attachment ".config.gz" of type "application/octet-stream" (11535 bytes)

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