1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_spin_lock.c b/tools/testing/selftests/bpf/progs/test_spin_lock.c
index 5bd10409285b..b2440a0ff422 100644
--- a/tools/testing/selftests/bpf/progs/test_spin_lock.c
+++ b/tools/testing/selftests/bpf/progs/test_spin_lock.c
@@ -3,6 +3,7 @@
 #include <linux/bpf.h>
 #include <linux/version.h>
 #include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
 
 struct hmap_elem {
 	volatile int cnt;
@@ -89,6 +90,8 @@ int bpf_spin_lock_test(struct __sk_buff *skb)
 	credit = q->credit;
 	bpf_spin_unlock(&q->lock);
 
+	__sink(credit);
+
 	/* spin_lock in cgroup local storage */
 	cls = bpf_get_local_storage(&cls_map, 0);
 	bpf_spin_lock(&cls->lock);