static int bpf_skb_grow_rcsum(struct sk_buff *skb, unsigned int new_len)
{
	unsigned int old_len = skb->len;
	int ret;

	ret = __skb_grow_rcsum(skb, new_len);
	if (!ret)
		memset(skb->data + old_len, 0, new_len - old_len);
	return ret;
}
Unknown