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path: root/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy2.c
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Diffstat (limited to 'tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy2.c')
-rw-r--r--tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy2.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy2.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy2.c
index 72fd0d577506..ae94c9c70ab7 100644
--- a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy2.c
+++ b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy2.c
@@ -2,6 +2,7 @@
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
+#include "bpf_test_utils.h"
int classifier_0(struct __sk_buff *skb);
int classifier_1(struct __sk_buff *skb);
@@ -60,6 +61,8 @@ int tailcall_bpf2bpf_hierarchy_2(struct __sk_buff *skb)
{
int ret = 0;
+ clobber_regs_stack();
+
subprog_tail0(skb);
subprog_tail1(skb);