diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_global_func7.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_global_func7.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_global_func7.c b/tools/testing/selftests/bpf/progs/test_global_func7.c new file mode 100644 index 0000000000..f182febfde --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_global_func7.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright (c) 2020 Facebook */ +#include <stddef.h> +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> +#include "bpf_misc.h" + +__attribute__ ((noinline)) +void foo(struct __sk_buff *skb) +{ + skb->tc_index = 0; +} + +SEC("tc") +__failure __msg("foo() doesn't return scalar") +int global_func7(struct __sk_buff *skb) +{ + foo(skb); + return 0; +} |