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Date: Wed, 19 Sep 2007 17:36:48 +0800
From: lepton <ytht.net@...il.com>
To: kaber@...sh.net
Cc: lkm <linux-kernel@...r.kernel.org>
Subject: [RFC PATCH] 2.6.22.6 netfilter: sk_setup_caps in ip_make_route_harder
Hi,
For local src packets, it is better to update sk_route_caps in
ip_route_me_harder.
Signed-off-by: Lepton Wu <ytht.net@...il.com>
diff -pru -X linux-2.6.22.6/Documentation/dontdiff linux-2.6.22.6/net/ipv4/netfilter.c linux-2.6.22.6-lepton/net/ipv4/netfilter.c
--- linux-2.6.22.6/net/ipv4/netfilter.c 2007-09-19 13:19:13.000000000 +0800
+++ linux-2.6.22.6-lepton/net/ipv4/netfilter.c 2007-09-19 17:10:36.000000000 +0800
@@ -37,6 +37,10 @@ int ip_route_me_harder(struct sk_buff **
/* Drop old route. */
dst_release((*pskb)->dst);
(*pskb)->dst = &rt->u.dst;
+ if((*pskb)->sk){
+ dst_hold((*pskb)->dst);
+ sk_setup_caps((*pskb)->sk, (*pskb)->dst);
+ }
} else {
/* non-local src, find valid iif to satisfy
* rp-filter when calling ip_route_input. */
-
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