netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: ebiederm@xmission.com, xemul@parallels.com, netdev@vger.kernel.org
Subject: Re: [PATCH 1/2] net: Allow to create links with given ifindex
Date: Fri, 03 Aug 2012 16:56:11 -0700 (PDT)	[thread overview]
Message-ID: <20120803.165611.1832423445730269834.davem@davemloft.net> (raw)
In-Reply-To: <1343972729.9299.596.camel@edumazet-glaptop>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 03 Aug 2012 07:45:29 +0200

> @@ -1587,13 +1587,11 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
>  	if (ipv4_is_zeronet(daddr))
>  		goto martian_destination;
>  
> -	if (likely(!IN_DEV_ROUTE_LOCALNET(in_dev))) {
> -		if (ipv4_is_loopback(daddr))
> -			goto martian_destination;
> +	if (ipv4_is_loopback(daddr) && !IN_DEV_NET_ROUTE_LOCALNET(in_dev, net))
> +		goto martian_destination;
>  
> -		if (ipv4_is_loopback(saddr))
> -			goto martian_source;
> -	}
> +	if (ipv4_is_loopback(saddr) && !IN_DEV_NET_ROUTE_LOCALNET(in_dev, net))
> +		goto martian_source;

Maybe clearer as:

	if ((ipv4_is_loopback(daddr) || ipv4_is_loopback(saddr)) &&
	    !IN_DEV_NET_ROUTE_LOCALNET(in_dev, net))
		goto martian_source;

  parent reply	other threads:[~2012-08-03 23:56 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-30  4:34 [PATCH 1/2] net: Allow to create links with given ifindex Pavel Emelyanov
2012-07-30  4:36 ` [PATCH 2/2] veth: Allow to create peer link " Pavel Emelyanov
2012-07-30 10:49 ` [PATCH 1/2] net: Allow to create links " Eric W. Biederman
2012-07-30 10:56   ` Eric W. Biederman
2012-07-31  9:03     ` Pavel Emelyanov
2012-07-31 11:58       ` Eric W. Biederman
2012-07-31 13:30         ` Pavel Emelyanov
2012-08-02 10:28         ` Eric Dumazet
2012-08-02 11:09           ` Eric W. Biederman
2012-08-02 23:37             ` David Miller
2012-08-02 23:26           ` David Miller
2012-08-03  5:45             ` Eric Dumazet
2012-08-03  5:51               ` Eric Dumazet
2012-08-03 23:56               ` David Miller [this message]
2012-08-04  7:10                 ` Eric Dumazet
2012-08-04  8:25                   ` David Miller
2012-07-30 11:51   ` Eric Dumazet
2012-07-30 12:33     ` Eric W. Biederman
2012-07-31  9:06       ` Pavel Emelyanov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20120803.165611.1832423445730269834.davem@davemloft.net \
    --to=davem@davemloft.net \
    --cc=ebiederm@xmission.com \
    --cc=eric.dumazet@gmail.com \
    --cc=netdev@vger.kernel.org \
    --cc=xemul@parallels.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).