linux-ext4 - [ext4:unicode 4/10] fs/unicode/utf8-norm.c:41:24: sparse: non-ANSI function declaration of function 'utf8version

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Date:   Sun, 7 Apr 2019 09:33:44 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Gabriel Krisman Bertazi <krisman@...labora.co.uk>
Cc:     kbuild-all@...org, linux-ext4@...r.kernel.org,
        Theodore Ts'o <tytso@....edu>
Subject: [ext4:unicode 4/10] fs/unicode/utf8-norm.c:41:24: sparse: non-ANSI
 function declaration of function 'utf8version_latest'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git unicode
head:   c0ae3a05c89c497446d6e208b68623993b5afc3c
commit: 45568caefa60a247ce9ecee3f4a57d1f81f5dd0e [4/10] unicode: implement higher level API for string handling
reproduce:
        # apt-get install sparse
        git checkout 45568caefa60a247ce9ecee3f4a57d1f81f5dd0e
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'


sparse warnings: (new ones prefixed by >>)

>> fs/unicode/utf8-norm.c:41:24: sparse: non-ANSI function declaration of function 'utf8version_latest'

vim +/utf8version_latest +41 fs/unicode/utf8-norm.c

    40	
  > 41	int utf8version_latest()
    42	{
    43		return utf8vers;
    44	}
    45	EXPORT_SYMBOL(utf8version_latest);
    46	

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