tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   01c8787d7f7ea56c16d94cf7133022189be231ad
commit: 42c38b1726a7df8aee87c44e5151b0f29ab5ab3b [2171/2223] lib/test-string_helpers.c: add string_get_size() tests
config: mn10300-allyesconfig (attached as .config)
reproduce:
  wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
  chmod +x ~/bin/make.cross
  git checkout 42c38b1726a7df8aee87c44e5151b0f29ab5ab3b
  # save the attached .config to linux build tree
  make.cross ARCH=mn10300 

All warnings (new ones prefixed by >>):

   In file included from lib/test-string_helpers.c:7:0:
   lib/test-string_helpers.c: In function 'test_string_get_size_one':
   include/linux/kernel.h:722:17: warning: comparison of distinct pointer types lacks a cast
     (void) (&_min1 == &_min2);  \
                    ^
>> lib/test-string_helpers.c:336:32: note: in expansion of macro 'min'
     if (!strncmp(buf, exp_result, min(sizeof(buf), strlen(exp_result))))
                                   ^

vim +/min +336 lib/test-string_helpers.c

   320	
   321		test_string_escape_overflow(in, p, flags, esc, q_test, name);
   322	
   323	out:
   324		kfree(in);
   325		kfree(out_real);
   326		kfree(out_test);
   327	}
   328	
   329	static __init void test_string_get_size_one(u64 size, u64 blk_size,
   330						    const enum string_size_units units,
   331						    const char *exp_result)
   332	{
   333		char buf[256];
   334	
   335		string_get_size(size, blk_size, units, buf, sizeof(buf));
 > 336		if (!strncmp(buf, exp_result, min(sizeof(buf), strlen(exp_result))))
   337			return;
   338	
   339		pr_warn("Test 'test_string_get_size_one' failed!\n");
   340		pr_warn("string_get_size(size = %llu, blk_size = %llu, units = %d\n",
   341			size, blk_size, units);
   342		pr_warn("expected: %s, got %s\n", exp_result, buf);
   343	
   344	}

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