mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Harvey Yang <harvey.huawei.yang@gmail.com>
To: "David S. Miller" <davem@davemloft.net>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	James Morris <jmorris@namei.org>,
	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Harvey Yang <harvey.huawei.yang@gmail.com>
Subject: [PATCH 1/1] net: ipv4: refine the logic for determining daddr in ip_queue_xmit.
Date: Tue, 15 Jan 2013 12:47:35 +0800	[thread overview]
Message-ID: <1358225255-30973-1-git-send-email-harvey.huawei.yang@gmail.com> (raw)

The destination address daddr is faddr if source route option is set, otherwise it is inet_daddr. So use if-else to assign the value.

Signed-off-by: Harvey Yang <harvey.huawei.yang@gmail.com>
---
 net/ipv4/ip_output.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 3e98ed2..22b738c 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -349,10 +349,10 @@ int ip_queue_xmit(struct sk_buff *skb, struct flowi *fl)
 		__be32 daddr;
 
 		/* Use correct destination address if we have options. */
-		daddr = inet->inet_daddr;
 		if (inet_opt && inet_opt->opt.srr)
 			daddr = inet_opt->opt.faddr;
-
+		else
+			daddr = inet->inet_daddr;
 		/* If this fails, retransmit mechanism of transport layer will
 		 * keep trying until route appears or the connection times
 		 * itself out.
-- 
1.7.1


             reply	other threads:[~2013-01-15  4:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-15  4:47 Harvey Yang [this message]
2013-01-15  4:48 ` David Miller
2013-01-15  4:57 ` Eric Dumazet
2013-01-15 10:12   ` Cong Ding

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=1358225255-30973-1-git-send-email-harvey.huawei.yang@gmail.com \
    --to=harvey.huawei.yang@gmail.com \
    --cc=davem@davemloft.net \
    --cc=jmorris@namei.org \
    --cc=kuznet@ms2.inr.ac.ru \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=yoshfuji@linux-ipv6.org \
    /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

all inboxes | Powered by JetHome®