ip: on queued skb use skb_header_pointer instead of pskb_may_pull

[linux-2.6-microblaze.git] / net / ipv6 / datagram.c

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index bde08aa..c2262a7 100644 (file)
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -700,17 +700,15 @@ void ip6_datagram_recv_specific_ctl(struct sock *sk, struct msghdr *msg,
        }
        if (np->rxopt.bits.rxorigdstaddr) {
                struct sockaddr_in6 sin6;
-               __be16 *ports;
-               int end;
+               __be16 _ports[2], *ports;
 
-               end = skb_transport_offset(skb) + 4;
-               if (end <= 0 || pskb_may_pull(skb, end)) {
+               ports = skb_header_pointer(skb, skb_transport_offset(skb),
+                                          sizeof(_ports), &_ports);
+               if (ports) {
                        /* All current transport protocols have the port numbers in the
                         * first four bytes of the transport header and this function is
                         * written with this assumption in mind.
                         */
-                       ports = (__be16 *)skb_transport_header(skb);
-
                        sin6.sin6_family = AF_INET6;
                        sin6.sin6_addr = ipv6_hdr(skb)->daddr;
                        sin6.sin6_port = ports[1];