On 1/29/24 1:36 PM, kernel test robot wrote:
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 596764183be8ebb13352b281a442a1f1151c9b06
commit: 0253e0590e2dc46996534371d56b5297099aed4e [1465/2825] selftests/bpf: test case for register_bpf_struct_ops().
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240130/202401300557.z5vzn8FM-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401300557.z5vzn8FM-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c: In function 'bpf_dummy_reg':
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:557:13: warning: variable 'r' set but not used [-Wunused-but-set-variable]
557 | int r;
| ^
vim +/r +557 tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
553
554 static int bpf_dummy_reg(void *kdata)
555 {
556 struct bpf_testmod_ops *ops = kdata;
> 557 int r;
Kui-Feng, Please take a look. May be change the ".test_2" return type to "void"
since it is not used.
558
559 r = ops->test_2(4, 3);
560
561 return 0;
562 }
563
