diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/tailcall_bpf2bpf2.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/tailcall_bpf2bpf2.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf2.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf2.c index ce97d141daee..c4fadee5aadc 100644 --- a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf2.c +++ b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf2.c @@ -13,11 +13,14 @@ struct { static __noinline int subprog_tail(struct __sk_buff *skb) { + int ret = 1; + if (load_byte(skb, 0)) bpf_tail_call_static(skb, &jmp_table, 1); else bpf_tail_call_static(skb, &jmp_table, 0); - return 1; + barrier_var(ret); + return ret; } int count = 0; |