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Message-ID: <202311180846.j5VBD2IH-lkp@intel.com>
Date:   Sat, 18 Nov 2023 08:52:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     Richard Fitzgerald <rf@...nsource.cirrus.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>,
        David Gow <davidgow@...gle.com>
Subject: lib/kunit/string-stream-test.c:73:9: sparse: sparse: incorrect type
 in initializer (different base types)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   12ee72fe01e45a9586b9d130c5501763818c8efc
commit: d1a0d699bfc00ae5b5e74bb640d791a93e825b68 kunit: string-stream: Add tests for freeing resource-managed string_stream
date:   9 weeks ago
config: sparc-randconfig-r021-20230427 (https://download.01.org/0day-ci/archive/20231118/202311180846.j5VBD2IH-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20231118/202311180846.j5VBD2IH-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311180846.j5VBD2IH-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> lib/kunit/string-stream-test.c:73:9: 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:73:9: sparse:     expected long long left_value
   lib/kunit/string-stream-test.c:73:9: sparse:     got restricted gfp_t const __left
>> lib/kunit/string-stream-test.c:73:9: 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:73:9: sparse:     expected long long right_value
   lib/kunit/string-stream-test.c:73:9: sparse:     got restricted gfp_t const __right
   lib/kunit/string-stream-test.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/umh.h, include/linux/kmod.h, ...):
   include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false

vim +73 lib/kunit/string-stream-test.c

    61	
    62	/* Unmanaged string_stream object is initialized correctly. */
    63	static void string_stream_unmanaged_init_test(struct kunit *test)
    64	{
    65		struct string_stream *stream;
    66	
    67		stream = alloc_string_stream(GFP_KERNEL);
    68		KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);
    69		kunit_add_action(test, cleanup_raw_stream, stream);
    70	
    71		KUNIT_EXPECT_EQ(test, stream->length, 0);
    72		KUNIT_EXPECT_TRUE(test, list_empty(&stream->fragments));
  > 73		KUNIT_EXPECT_EQ(test, stream->gfp, GFP_KERNEL);
    74		KUNIT_EXPECT_FALSE(test, stream->append_newlines);
    75	
    76		KUNIT_EXPECT_TRUE(test, string_stream_is_empty(stream));
    77	}
    78	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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