linux-kernel - [xiang-linux:erofs/lzma 8/8] fs/erofs/decompressor-lzma.c:140:5: warning: no previous prototype for 'z_erofs_lzma

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Date:   Sun, 11 Jul 2021 22:36:53 +0800
From:   kernel test robot <lkp@...el.com>
To:     Gao Xiang <xiang@...nel.org>
Cc:     kbuild-all@...ts.01.org, Xiang Gao <xiang@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [xiang-linux:erofs/lzma 8/8] fs/erofs/decompressor-lzma.c:140:5:
 warning: no previous prototype for 'z_erofs_lzma_decompress'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git erofs/lzma
head:   7b0fd4b18c0c2228c19a84736441fced1bbf0dd6
commit: 7b0fd4b18c0c2228c19a84736441fced1bbf0dd6 [8/8] erofs: lzma compression support
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git/commit/?id=7b0fd4b18c0c2228c19a84736441fced1bbf0dd6
        git remote add xiang-linux https://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git
        git fetch --no-tags xiang-linux erofs/lzma
        git checkout 7b0fd4b18c0c2228c19a84736441fced1bbf0dd6
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

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

All warnings (new ones prefixed by >>):

>> fs/erofs/decompressor-lzma.c:140:5: warning: no previous prototype for 'z_erofs_lzma_decompress' [-Wmissing-prototypes]
     140 | int z_erofs_lzma_decompress(struct z_erofs_decompress_req *rq,
         |     ^~~~~~~~~~~~~~~~~~~~~~~


vim +/z_erofs_lzma_decompress +140 fs/erofs/decompressor-lzma.c

   139	
 > 140	int z_erofs_lzma_decompress(struct z_erofs_decompress_req *rq,

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

Download attachment ".config.gz" of type "application/gzip" (68175 bytes)