Re: [PATCH v4 01/10] kunit: string-stream: Improve testing of string_stream

kernel test robot
2023-08-15T07:17:32Z

Hi Richard,

kernel test robot noticed the following build warnings:

[auto build test WARNING on shuah-kselftest/kunit]
[also build test WARNING on shuah-kselftest/kunit-fixes linus/master v6.5-rc6 next-20230809]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Richard-Fitzgerald/kunit-string-stream-Improve-testing-of-string_stream/20230814-212947
base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git kunit
patch link: https://lore.kernel.org/r/20230814132309.32641-2-rf%40opensource.cirrus.com
patch subject: [PATCH v4 01/10] kunit: string-stream: Improve testing of string_stream
config: arc-randconfig-r073-20230815 (https://download.01.org/0day-ci/archive/20230815/202308151555.o0Ok5tyv-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230815/202308151555.o0Ok5tyv-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308151555.o0Ok5tyv-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> lib/kunit/string-stream-test.c:25:9: sparse: sparse: incorrect type in initializer (different base types) @@ expected long long left_value @@ got restricted gfp_t const __left @@
lib/kunit/string-stream-test.c:25:9: sparse: expected long long left_value
lib/kunit/string-stream-test.c:25:9: sparse: got restricted gfp_t const __left
>> lib/kunit/string-stream-test.c:25:9: sparse: sparse: incorrect type in initializer (different base types) @@ expected long long right_value @@ got restricted gfp_t const __right @@
lib/kunit/string-stream-test.c:25:9: sparse: expected long long right_value
lib/kunit/string-stream-test.c:25:9: sparse: got restricted gfp_t const __right

vim +25 lib/kunit/string-stream-test.c

13
14 /* string_stream object is initialized correctly. */
15 static void string_stream_init_test(struct kunit *test)
16 {
17 struct string_stream *stream;
18
19 stream = alloc_string_stream(test, GFP_KERNEL);
20 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);
21
22 KUNIT_EXPECT_EQ(test, stream->length, 0);
23 KUNIT_EXPECT_TRUE(test, list_empty(&stream->fragments));
24 KUNIT_EXPECT_PTR_EQ(test, stream->test, test);
> 25 KUNIT_EXPECT_EQ(test, stream->gfp, GFP_KERNEL);
26
27 KUNIT_EXPECT_TRUE(test, string_stream_is_empty(stream));
28 }
29

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