1 files changed, 20 insertions, 17 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index eff050ac7049..69b146843a20 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -51,6 +51,7 @@
 #include <net/udp.h>
 #include <net/raw.h>
 #include <net/inet_common.h>
+#include <net/tcp_states.h>
 
 #include <net/ip6_checksum.h>
 #include <net/xfrm.h>
@@ -58,7 +59,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
-DEFINE_SNMP_STAT(struct udp_mib, udp_stats_in6);
+DEFINE_SNMP_STAT(struct udp_mib, udp_stats_in6) __read_mostly;
 
 /* Grrr, addr_type already calculated by caller, but I don't want
  * to add some silly "cookie" argument to this method just for that.
@@ -477,13 +478,12 @@ static int udpv6_rcv(struct sk_buff **pskb, unsigned int *nhoffp)
                 /* RFC 2460 section 8.1 says that we SHOULD log
                    this error. Well, it is reasonable.
                  */
-                LIMIT_NETDEBUG(
-                        printk(KERN_INFO "IPv6: udp checksum is 0\n"));
+                LIMIT_NETDEBUG(KERN_INFO "IPv6: udp checksum is 0\n");
                 goto discard;
         }
 
         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;
@@ -493,7 +493,7 @@ static int udpv6_rcv(struct sk_buff **pskb, unsigned int *nhoffp)
         if (skb->ip_summed==CHECKSUM_HW) {
                 skb->ip_summed = CHECKSUM_UNNECESSARY;
                 if (csum_ipv6_magic(saddr, daddr, ulen, IPPROTO_UDP, skb->csum)) {
-                        LIMIT_NETDEBUG(printk(KERN_DEBUG "udp v6 hw csum failure.\n"));
+                        LIMIT_NETDEBUG(KERN_DEBUG "udp v6 hw csum failure.\n");
                         skb->ip_summed = CHECKSUM_NONE;
                 }
         }
@@ -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:
@@ -825,7 +829,7 @@ back_from_confirm:
                 /* ... which is an evident application bug. --ANK */
                 release_sock(sk);
 
-                LIMIT_NETDEBUG(printk(KERN_DEBUG "udp cork app bug 2\n"));
+                LIMIT_NETDEBUG(KERN_DEBUG "udp cork app bug 2\n");
                 err = -EINVAL;
                 goto out;
         }
@@ -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)
@@ -1054,8 +1059,6 @@ struct proto udpv6_prot = {
         .obj_size =     sizeof(struct udp6_sock),
 };
 
-extern struct proto_ops inet6_dgram_ops;
-
 static struct inet_protosw udpv6_protosw = {
         .type =      SOCK_DGRAM,
         .protocol =  IPPROTO_UDP,