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Once that is done, then when building with clang, via: make LLVM=1 -C tools/testing/selftests ...clang warns about fd being used uninitialized, in test_memcg_reclaim()'s error handling path. Fix this by initializing fd to -1. [1] https://lore.kernel.org/all/20240329-selftests-libmk-llvm-rfc-v1-1-2f9ed7d1c49f@valentinobst.de/ Signed-off-by: John Hubbard --- tools/testing/selftests/cgroup/test_memcontrol.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c index c7c9572003a8..a97832b0c1cd 100644 --- a/tools/testing/selftests/cgroup/test_memcontrol.c +++ b/tools/testing/selftests/cgroup/test_memcontrol.c @@ -716,7 +716,9 @@ static bool reclaim_until(const char *memcg, long goal) */ static int test_memcg_reclaim(const char *root) { - int ret = KSFT_FAIL, fd, retries; + int ret = KSFT_FAIL; + int fd = -1; + int retries; char *memcg; long current, expected_usage; -- 2.45.0