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myri10ge: check fragmentation in LRO get_frag_header()

PATCH Applied Brice Goglin 2 participants 2 messages Dec 8, 2008 – Dec 9, 2008

Subsystems (2)
Networking Network drivers
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Brice Goglin

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#0 lore raw

PATCH 1/1 myri10ge: check fragmentation in LRO get_frag_header()

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

Signed-off-by Brice Goglin <[email protected]>
Signed-off-by Andrew Gallatin <[email protected]>
drivers/net/myri10ge/myri10ge.c +2 -0
@@ -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);