On Thu, Nov 06, 2014 at 01:50:23PM +0800, Herbert Xu wrote: > + /* We only need the first two bytes. */ > + err = memcpy_fromiovecend((void *)&icmph, msg->msg_iov, 0, 2); > + if (err) > + return err; > + > + fl4->fl4_icmp_type = icmph.type; > + fl4->fl4_icmp_code = icmph.code;
That's more readable, but that exposes another problem in there - we read the same piece of userland data twice, with no promise whatsoever that we'll get the same value both times... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
