From: David Miller <davem@davemloft.net>
To: netdev@vger.kernel.org
Subject: [PATCH 2/3] ipv4: Simplify iph->daddr overwrite in ip_options_rcv_srr().
Date: Thu, 12 May 2011 19:38:59 -0400 (EDT) [thread overview]
Message-ID: <20110512.193859.1614180040999869677.davem@davemloft.net> (raw)
We already copy the 4-byte nexthop from the options block into
local variable "nexthop" for the route lookup.
Re-use that variable instead of memcpy()'ing again when assigning
to iph->daddr after the route lookup succeeds.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/ip_options.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index e82c304..c5c2619 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -635,7 +635,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
if (rt2->rt_type != RTN_LOCAL)
break;
/* Superfast 8) loopback forward */
- memcpy(&iph->daddr, &optptr[srrptr-1], 4);
+ iph->daddr = nexthop;
opt->is_changed = 1;
}
if (srrptr <= srrspace) {
--
1.7.4.4
reply other threads:[~2011-05-12 23:39 UTC|newest]
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