Subject: [PATCH net-next] myri10ge: check fragmentation in LRO get_frag_header()

From: Brice Goglin <[email-masked]>
Date: Mon, 08 Dec 2008 10:17:36 +0100

Add a fragmentation check to myri10ge's LRO get_frag_header() callback.

Signed-off-by: Brice Goglin <[email-masked]>
Signed-off-by: Andrew Gallatin <[email-masked]> 

--- linux-git/drivers/net/myri10ge/myri10ge.c	2008-12-08 10:12:11.000000000 +0100
+++ linux-tmp/drivers/net/myri10ge/myri10ge.c	2008-12-08 10:12:21.000000000 +0100
@@ -2229,6 +2229,8 @@ myri10ge_get_frag_header(struct skb_frag
 	*ip_hdr = iph;
 	if (iph->protocol != IPPROTO_TCP)
 		return -1;
+	if (iph->frag_off & htons(IP_MF | IP_OFFSET))
+		return -1;
 	*hdr_flags |= LRO_TCP;
 	*tcpudp_hdr = (u8 *) (*ip_hdr) + (iph->ihl << 2);