ip_append_data
int ip_append_data(struct sock *sk, struct flowi4 *fl4,
if (ip_append_data(sk, fl4, icmp_glue_bits, icmp_param,
err = ip_append_data(sk, &fl4, ip_reply_glue_bits, arg->iov->iov_base,
err = ip_append_data(sk, &fl4, ping_getfrag, &pfh, len,
err = ip_append_data(sk, &fl4, raw_getfrag,
err = ip_append_data(sk, fl4, getfrag, msg, ulen,