[IPV6]: Don't redo xfrm_lookup for cached dst entries

[linux-2.6] / net / ipv6 / reassembly.c

diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 9d9e04344c777c8bd331b7b1f5e566fae38351e4..e4fe9ee484ddab3d0f0fee7e0153e8de4f14c4be 100644 (file)
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -479,12 +479,9 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
        /* Point into the IP datagram 'data' part. */
        if (!pskb_pull(skb, (u8 *) (fhdr + 1) - skb->data))
                goto err;
-       if (end-offset < skb->len) {
-               if (pskb_trim(skb, end - offset))
-                       goto err;
-               if (skb->ip_summed != CHECKSUM_UNNECESSARY)
-                       skb->ip_summed = CHECKSUM_NONE;
-       }
+       
+       if (pskb_trim_rcsum(skb, end - offset))
+               goto err;
 
        /* Find out which fragments are in front and at the back of us
         * in the chain of fragments so far.  We must know where to put