Re: [PATCH net-next 3/6] net: ipv4: use kfree_skb_reason() in ip_rcv_finish_core()

From: Menglong Dong
Date: Tue Jan 25 2022 - 22:18:08 EST


On Wed, Jan 26, 2022 at 10:57 AM David Ahern <dsahern@xxxxxxxxx> wrote:
>
> On 1/25/22 7:36 PM, Menglong Dong wrote:
> > Is't it meaningful? I name it from the meaning of 'ip route lookup or validate
> > failed in input path', can't it express this information?
>
>
> ip_route_input_noref has many failures and not all of them are FIB
> lookups. ip_route_input_slow has a bunch of EINVAL cases for example.
>
> Returning a 'reason' as the code function name has no meaning to a user
> and could actually be misleading in some cases. I would skip this one
> for now.

Yeah, the real reason can be complex. I'll skip this case for now.