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-rw-r--r--tools/testing/selftests/bpf/cgroup_helpers.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c
index 24ba56d42f2d..5b1da2a32ea7 100644
--- a/tools/testing/selftests/bpf/cgroup_helpers.c
+++ b/tools/testing/selftests/bpf/cgroup_helpers.c
@@ -199,6 +199,11 @@ 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;