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authorDaan De Meyer <daan.j.demeyer@gmail.com>2023-10-11 21:51:10 +0300
committerMartin KaFai Lau <martin.lau@kernel.org>2023-10-12 03:27:55 +0300
commitaf2752ed450e71fc0bd596d0b4b9b805a64ae2c1 (patch)
tree4bf1a4389986554336461f4c19d057bd791d6ecf /tools
parent3243fef6a4c0db2dbb01ee3cf30bd787e65b8d56 (diff)
downloadlinux-af2752ed450e71fc0bd596d0b4b9b805a64ae2c1.tar.xz
selftests/bpf: Make sure mount directory exists
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 <daan.j.demeyer@gmail.com> Link: https://lore.kernel.org/r/20231011185113.140426-9-daan.j.demeyer@gmail.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Diffstat (limited to 'tools')
-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;