The requested resources should be closed before return in main(), otherwise
resource leak will occur. Add a check of cgroup_fd and close().
Fixes: 4939b2847d26 ("bpf, selftests: Use single cgroup helpers for both test_sockmap/progs")
Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
---
tools/testing/selftests/bpf/test_dev_cgroup.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/bpf/test_dev_cgroup.c b/tools/testing/selftests/bpf/test_dev_cgroup.c
index adeaf63cb6fa..e97fc061fab2 100644
--- a/tools/testing/selftests/bpf/test_dev_cgroup.c
+++ b/tools/testing/selftests/bpf/test_dev_cgroup.c
@@ -81,5 +81,7 @@ int main(int argc, char **argv)
cleanup_cgroup_environment();
out:
+ if (cgroup_fd >= 0)
+ close(cgroup_fd);
return error;
}
--
2.25.1
