[PATCH HID v2 14/16] bpf: allow bpf helpers to be used into HID-BPF struct_ops

Benjamin Tissoires
2024-06-07T15:29:05Z

Without this helpers like bpf_printk() or bpf_map_update() are not
available, making anything but change of bytes impossible to do.

Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>

---

new in v2
---
drivers/hid/bpf/hid_bpf_struct_ops.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/hid/bpf/hid_bpf_struct_ops.c b/drivers/hid/bpf/hid_bpf_struct_ops.c
index 9192c66cde20..056d05d96962 100644
--- a/drivers/hid/bpf/hid_bpf_struct_ops.c
+++ b/drivers/hid/bpf/hid_bpf_struct_ops.c
@@ -89,6 +89,7 @@ static int hid_bpf_ops_btf_struct_access(struct bpf_verifier_log *log,
}

static const struct bpf_verifier_ops hid_bpf_verifier_ops = {
+ .get_func_proto = bpf_base_func_proto,
.is_valid_access = hid_bpf_ops_is_valid_access,
.btf_struct_access = hid_bpf_ops_btf_struct_access,
};

--
2.44.0