1 files changed, 15 insertions, 10 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 390d750449ce..69b146843a20 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -483,7 +483,7 @@ static int udpv6_rcv(struct sk_buff **pskb, unsigned int *nhoffp)
         }
 
         if (ulen < skb->len) {
-                if (__pskb_trim(skb, ulen))
+                if (pskb_trim_rcsum(skb, ulen))
                         goto discard;
                 saddr = &skb->nh.ipv6h->saddr;
                 daddr = &skb->nh.ipv6h->daddr;
@@ -637,6 +637,7 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
         int addr_len = msg->msg_namelen;
         int ulen = len;
         int hlimit = -1;
+        int tclass = -1;
         int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
         int err;
 
@@ -758,7 +759,7 @@ do_udp_sendmsg:
                 memset(opt, 0, sizeof(struct ipv6_txoptions));
                 opt->tot_len = sizeof(*opt);
 
-                err = datagram_send_ctl(msg, fl, opt, &hlimit);
+                err = datagram_send_ctl(msg, fl, opt, &hlimit, &tclass);
                 if (err < 0) {
                         fl6_sock_release(flowlabel);
                         return err;
@@ -773,8 +774,7 @@ do_udp_sendmsg:
         }
         if (opt == NULL)
                 opt = np->opt;
-        if (flowlabel)
-                opt = fl6_merge_options(&opt_space, flowlabel, opt);
+        opt = fl6_merge_options(&opt_space, flowlabel, opt);
 
         fl->proto = IPPROTO_UDP;
         ipv6_addr_copy(&fl->fl6_dst, daddr);
@@ -799,10 +799,8 @@ do_udp_sendmsg:
         if (final_p)
                 ipv6_addr_copy(&fl->fl6_dst, final_p);
 
-        if ((err = xfrm_lookup(&dst, fl, sk, 0)) < 0) {
-                dst_release(dst);
+        if ((err = xfrm_lookup(&dst, fl, sk, 0)) < 0)
                 goto out;
-        }
 
         if (hlimit < 0) {
                 if (ipv6_addr_is_multicast(&fl->fl6_dst))
@@ -815,6 +813,12 @@ do_udp_sendmsg:
                         hlimit = ipv6_get_hoplimit(dst->dev);
         }
 
+        if (tclass < 0) {
+                tclass = np->tclass;
+                if (tclass < 0)
+                        tclass = 0;
+        }
+
         if (msg->msg_flags&MSG_CONFIRM)
                 goto do_confirm;
 back_from_confirm:
@@ -834,9 +838,10 @@ back_from_confirm:
 
 do_append_data:
         up->len += ulen;
-        err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, ulen, sizeof(struct udphdr),
-                              hlimit, opt, fl, (struct rt6_info*)dst,
-                              corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
+        err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, ulen,
+                sizeof(struct udphdr), hlimit, tclass, opt, fl,
+                (struct rt6_info*)dst,
+                corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
         if (err)
                 udp_v6_flush_pending_frames(sk);
         else if (!corkreq)