diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/linked_list.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/linked_list.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/progs/linked_list.c b/tools/testing/selftests/bpf/progs/linked_list.c index 2c7b615c6d41..4ad88da5cda2 100644 --- a/tools/testing/selftests/bpf/progs/linked_list.c +++ b/tools/testing/selftests/bpf/progs/linked_list.c @@ -99,13 +99,28 @@ int list_push_pop_multiple(struct bpf_spin_lock *lock, struct bpf_list_head *hea struct foo *f[8], *pf; int i; - for (i = 0; i < ARRAY_SIZE(f); i++) { + /* Loop following this check adds nodes 2-at-a-time in order to + * validate multiple release_on_unlock release logic + */ + if (ARRAY_SIZE(f) % 2) + return 10; + + for (i = 0; i < ARRAY_SIZE(f); i += 2) { f[i] = bpf_obj_new(typeof(**f)); if (!f[i]) return 2; f[i]->data = i; + + f[i + 1] = bpf_obj_new(typeof(**f)); + if (!f[i + 1]) { + bpf_obj_drop(f[i]); + return 9; + } + f[i + 1]->data = i + 1; + bpf_spin_lock(lock); bpf_list_push_front(head, &f[i]->node); + bpf_list_push_front(head, &f[i + 1]->node); bpf_spin_unlock(lock); } |