diff mbox

[net-2.6] bridge: fix br_multicast_ipv6_rcv for paged skbs

Message ID 1293708753-17728-1-git-send-email-tomas.winkler@intel.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Winkler, Tomas Dec. 30, 2010, 11:32 a.m. UTC 
None
diff mbox

Patch

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index f19e347..074c478 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1464,6 +1464,10 @@  static int br_multicast_ipv6_rcv(struct net_bridge *br,
 	if (offset < 0 || nexthdr != IPPROTO_ICMPV6)
 		return 0;
 
+	if (!pskb_may_pull(skb,
+		(skb_network_header(skb) + offset + 1 - skb->data))) 
+                        return 0;
+
 	/* Okay, we found ICMPv6 header */
 	skb2 = skb_clone(skb, GFP_ATOMIC);
 	if (!skb2)