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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/tools/testing/selftests/bpf/get_cgroup_id_user.c
..
..
@@ -58,19 +58,9 @@
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 	int exit_code = 1;
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 	char buf[256];
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60
 
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-	err = setup_cgroup_environment();
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-	if (CHECK(err, "setup_cgroup_environment", "err %d errno %d\n", err,
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-		  errno))
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+	cgroup_fd = cgroup_setup_and_join(TEST_CGROUP);
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+	if (CHECK(cgroup_fd < 0, "cgroup_setup_and_join", "err %d errno %d\n", cgroup_fd, errno))
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 		return 1;
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-
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-	cgroup_fd = create_and_get_cgroup(TEST_CGROUP);
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-	if (CHECK(cgroup_fd < 0, "create_and_get_cgroup", "err %d errno %d\n",
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-		  cgroup_fd, errno))
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-		goto cleanup_cgroup_env;
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-
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-	err = join_cgroup(TEST_CGROUP);
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-	if (CHECK(err, "join_cgroup", "err %d errno %d\n", err, errno))
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-		goto cleanup_cgroup_env;
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64
 
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 	err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
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 	if (CHECK(err, "bpf_prog_load", "err %d errno %d\n", err, errno))