Exemplos de bpf_prog_new_fd em C++ (Cpp)

Exemplo n.º 1

Arquivo: inode.c Projeto: AK101111/linux

int bpf_obj_get_user(const char __user *pathname)
{
	enum bpf_type type = BPF_TYPE_UNSPEC;
	struct filename *pname;
	int ret = -ENOENT;
	void *raw;

	pname = getname(pathname);
	if (IS_ERR(pname))
		return PTR_ERR(pname);

	raw = bpf_obj_do_get(pname, &type);
	if (IS_ERR(raw)) {
		ret = PTR_ERR(raw);
		goto out;
	}

	if (type == BPF_TYPE_PROG)
		ret = bpf_prog_new_fd(raw);
	else if (type == BPF_TYPE_MAP)
		ret = bpf_map_new_fd(raw);
	else
		goto out;

	if (ret < 0)
		bpf_any_put(raw, type);
out:
	putname(pname);
	return ret;
}

Exemplo n.º 2

Arquivo: inode.c Projeto: SantoshShilimkar/linux

int bpf_obj_get_user(const char __user *pathname, int flags)
{
	enum bpf_type type = BPF_TYPE_UNSPEC;
	struct filename *pname;
	int ret = -ENOENT;
	int f_flags;
	void *raw;

	f_flags = bpf_get_file_flag(flags);
	if (f_flags < 0)
		return f_flags;

	pname = getname(pathname);
	if (IS_ERR(pname))
		return PTR_ERR(pname);

	raw = bpf_obj_do_get(pname, &type, f_flags);
	if (IS_ERR(raw)) {
		ret = PTR_ERR(raw);
		goto out;
	}

	if (type == BPF_TYPE_PROG)
		ret = bpf_prog_new_fd(raw);
	else if (type == BPF_TYPE_MAP)
		ret = bpf_map_new_fd(raw, f_flags);
	else
		goto out;

	if (ret < 0) {
		bpf_any_put(raw, type);
	} else if (trace_bpf_obj_get_prog_enabled() ||
		   trace_bpf_obj_get_map_enabled()) {
		if (type == BPF_TYPE_PROG)
			trace_bpf_obj_get_prog(raw, ret, pname);
		if (type == BPF_TYPE_MAP)
			trace_bpf_obj_get_map(raw, ret, pname);
	}
out:
	putname(pname);
	return ret;
}