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From: Stephan Gatzka <stephan.gatzka@gmail.com>
To: netdev@vger.kernel.org
Cc: yoshfuji@linux-ipv6.org, Stephan Gatzka <stephan.gatzka@gmail.com>
Subject: [Patch RFC] ndisc: Fix skb allocation size for link layer options.
Date: Fri, 28 Dec 2012 14:46:50 +0100	[thread overview]
Message-ID: <1356702410-32293-1-git-send-email-stephan.gatzka@gmail.com> (raw)

Signed-off-by: Stephan Gatzka <stephan.gatzka@gmail.com>
---
 net/ipv6/ndisc.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 6574175..b12b94c 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -392,7 +392,7 @@ static struct sk_buff *ndisc_build_skb(struct net_device *dev,
 
 	len = sizeof(struct icmp6hdr) + (target ? sizeof(*target) : 0);
 	if (llinfo)
-		len += ndisc_opt_addr_space(dev);
+		len += sizeof(struct nd_opt_hdr) + ndisc_opt_addr_space(dev);
 
 	skb = sock_alloc_send_skb(sk,
 				  (MAX_HEADER + sizeof(struct ipv6hdr) +
@@ -1424,7 +1424,8 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target)
 			memcpy(ha_buf, neigh->ha, dev->addr_len);
 			read_unlock_bh(&neigh->lock);
 			ha = ha_buf;
-			len += ndisc_opt_addr_space(dev);
+			len += sizeof(struct nd_opt_hdr) +
+				ndisc_opt_addr_space(dev);
 		} else
 			read_unlock_bh(&neigh->lock);
 
-- 
1.7.9.5

             reply	other threads:[~2012-12-28 13:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-28 13:46 Stephan Gatzka [this message]
2012-12-29 15:29 ` [Patch RFC] ndisc: Fix skb allocation size for link layer options YOSHIFUJI Hideaki
2012-12-29 15:32   ` YOSHIFUJI Hideaki
2012-12-29 16:37   ` Stephan Gatzka

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