X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fipv6%2Fip6_output.c;h=5bf70b1442eae1f0be6497774be8ea7ceac9cbf1;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=1d5dfeb2614ea31a4dabca1b74630d6ee16889a0;hpb=f7ed79d23a47594e7834d66a8f14449796d4f3e6;p=linux-2.6.git

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 1d5dfeb26..5bf70b144 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -147,7 +147,7 @@ static int ip6_output2(struct sk_buff *skb)
 
 int ip6_output(struct sk_buff *skb)
 {
-	if ((skb->len > dst_mtu(skb->dst) && !skb_is_gso(skb)) ||
+	if ((skb->len > dst_mtu(skb->dst) && !skb_shinfo(skb)->ufo_size) ||
 				dst_allfrag(skb->dst))
 		return ip6_fragment(skb, ip6_output2);
 	else
@@ -161,7 +161,7 @@ int ip6_output(struct sk_buff *skb)
 int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
 	     struct ipv6_txoptions *opt, int ipfragok)
 {
-	struct ipv6_pinfo *np = inet6_sk(sk);
+	struct ipv6_pinfo *np = sk ? inet6_sk(sk) : NULL;
 	struct in6_addr *first_hop = &fl->fl6_dst;
 	struct dst_entry *dst = skb->dst;
 	struct ipv6hdr *hdr;
@@ -733,29 +733,28 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
 		if (*dst) {
 			struct rt6_info *rt = (struct rt6_info*)*dst;
 	
-			/* Yes, checking route validity in not connected
-			 * case is not very simple. Take into account,
-			 * that we do not support routing by source, TOS,
-			 * and MSG_DONTROUTE 		--ANK (980726)
-			 *
-			 * 1. If route was host route, check that
-			 *    cached destination is current.
-			 *    If it is network route, we still may
-			 *    check its validity using saved pointer
-			 *    to the last used address: daddr_cache.
-			 *    We do not want to save whole address now,
-			 *    (because main consumer of this service
-			 *    is tcp, which has not this problem),
-			 *    so that the last trick works only on connected
-			 *    sockets.
-			 * 2. oif also should be the same.
-			 */
+				/* Yes, checking route validity in not connected
+				   case is not very simple. Take into account,
+				   that we do not support routing by source, TOS,
+				   and MSG_DONTROUTE 		--ANK (980726)
+	
+				   1. If route was host route, check that
+				      cached destination is current.
+				      If it is network route, we still may
+				      check its validity using saved pointer
+				      to the last used address: daddr_cache.
+				      We do not want to save whole address now,
+				      (because main consumer of this service
+				       is tcp, which has not this problem),
+				      so that the last trick works only on connected
+				      sockets.
+				   2. oif also should be the same.
+				 */
+	
 			if (((rt->rt6i_dst.plen != 128 ||
-			      !ipv6_addr_equal(&fl->fl6_dst,
-					       &rt->rt6i_dst.addr))
+			      !ipv6_addr_equal(&fl->fl6_dst, &rt->rt6i_dst.addr))
 			     && (np->daddr_cache == NULL ||
-				 !ipv6_addr_equal(&fl->fl6_dst,
-						  np->daddr_cache)))
+				 !ipv6_addr_equal(&fl->fl6_dst, np->daddr_cache)))
 			    || (fl->oif && fl->oif != (*dst)->dev->ifindex)) {
 				dst_release(*dst);
 				*dst = NULL;
@@ -830,9 +829,8 @@ static inline int ip6_ufo_append_data(struct sock *sk,
 		struct frag_hdr fhdr;
 
 		/* specify the length of each IP datagram fragment*/
-		skb_shinfo(skb)->gso_size = mtu - fragheaderlen - 
-					    sizeof(struct frag_hdr);
-		skb_shinfo(skb)->gso_type = SKB_GSO_UDPV4;
+		skb_shinfo(skb)->ufo_size = (mtu - fragheaderlen) - 
+						sizeof(struct frag_hdr);
 		ipv6_select_ident(skb, &fhdr);
 		skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
 		__skb_queue_tail(&sk->sk_write_queue, skb);
@@ -891,7 +889,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 		np->cork.hop_limit = hlimit;
 		np->cork.tclass = tclass;
 		mtu = dst_mtu(rt->u.dst.path);
-		if (np->frag_size < mtu) {
+		if (np && np->frag_size < mtu) {
 			if (np->frag_size)
 				mtu = np->frag_size;
 		}
@@ -1048,7 +1046,7 @@ alloc_new_skb:
 				skb_prev->csum = csum_sub(skb_prev->csum,
 							  skb->csum);
 				data += fraggap;
-				pskb_trim_unique(skb_prev, maxfraglen);
+				skb_trim(skb_prev, maxfraglen);
 			}
 			copy = datalen - transhdrlen - fraggap;
 			if (copy < 0) {