[PATCH bpf-next v3 8/9] selftests/bpf: Make sure mount directory exists
From: Daan De Meyer <hidden>
Date: 2023-08-31 15:35:24
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [selftests] (test runners & infrastructure), kernel selftest framework, the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Shuah Khan, Linus Torvalds
The mount directory for the selftests cgroup tree might not exist so let's make sure it does exist by creating it ourselves if it doesn't exist. Signed-off-by: Daan De Meyer <redacted> --- tools/testing/selftests/bpf/cgroup_helpers.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c
index 2caee8423ee0..6dcf0cd375c4 100644
--- a/tools/testing/selftests/bpf/cgroup_helpers.c
+++ b/tools/testing/selftests/bpf/cgroup_helpers.c@@ -195,6 +195,11 @@ int setup_cgroup_environment(void) format_cgroup_path(cgroup_workdir, ""); + if (mkdir(CGROUP_MOUNT_PATH, 0777) && errno != EEXIST) { + log_err("mkdir mount"); + return 1; + } + if (unshare(CLONE_NEWNS)) { log_err("unshare"); return 1;
--
2.41.0