[mmotm:master 180/303] arch/tile/kernel/setup.c:222:2: warning: the address of 'isolnodes' will always evaluate as 'true'

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   21c4efa7694b072dddce68082e16156f24e1c1f0
commit: 224aa5f4017811570da4d0a332d9791da07b2fc7 [180/303] mm: simplify nodemask printing
config: tile-tilegx_defconfig (attached as .config)
compiler: tilegx-linux-gcc (GCC) 4.6.2
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 224aa5f4017811570da4d0a332d9791da07b2fc7
        # save the attached .config to linux build tree
        make.cross ARCH=tile 

All warnings (new ones prefixed by >>):

   arch/tile/kernel/setup.c: In function 'setup_isolnodes':
>> arch/tile/kernel/setup.c:222:2: warning: the address of 'isolnodes' will always evaluate as 'true' [-Waddress]
>> arch/tile/kernel/setup.c:222:2: warning: the address of 'isolnodes' will always evaluate as 'true' [-Waddress]

vim +222 arch/tile/kernel/setup.c

77f8c740 Chris Metcalf 2013-08-06  216  
867e359b Chris Metcalf 2010-05-28  217  static int __init setup_isolnodes(char *str)
867e359b Chris Metcalf 2010-05-28  218  {
867e359b Chris Metcalf 2010-05-28  219  	if (str == NULL || nodelist_parse(str, isolnodes) != 0)
867e359b Chris Metcalf 2010-05-28  220  		return -EINVAL;
867e359b Chris Metcalf 2010-05-28  221  
839b2680 Tejun Heo     2015-02-13 @222  	pr_info("Set isolnodes value to '%*pbl'\n",
839b2680 Tejun Heo     2015-02-13  223  		nodemask_pr_args(&isolnodes));
867e359b Chris Metcalf 2010-05-28  224  	return 0;
867e359b Chris Metcalf 2010-05-28  225  }
867e359b Chris Metcalf 2010-05-28  226  early_param("isolnodes", setup_isolnodes);
867e359b Chris Metcalf 2010-05-28  227  

:::::: The code at line 222 was first introduced by commit
:::::: 839b268033c5d1316b2f8cf49184984e6f335fee tile: use %*pb[l] to print bitmaps including cpumasks and nodemasks

:::::: TO: Tejun Heo <tj@xxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

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

Attachment: .config.gz
Description: application/gzip


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