Do not unmount the cgroup if it wasn't mounted by the test. The earlier
patch had fixed this for charge_reserved_hugetlb, but not for this test.
I'm adding fixes tag to that earlier patch.
Fixes: 209376ed2a84 ("selftests/vm: make charge_reserved_hugetlb.sh work with existing cgroup setting")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
---
tools/testing/selftests/mm/hugetlb_reparenting_test.sh | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh b/tools/testing/selftests/mm/hugetlb_reparenting_test.sh
index 14d26075c8635..615c4d766c909 100755
--- a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh
+++ b/tools/testing/selftests/mm/hugetlb_reparenting_test.sh
@@ -248,5 +248,7 @@ cleanup
echo ALL PASS
-umount $CGROUP_ROOT
-rm -rf $CGROUP_ROOT
+if [[ $do_umount ]]; then
+ umount $CGROUP_ROOT
+ rm -rf $CGROUP_ROOT
+fi
--
2.42.0
