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authorTodd Kjos <tkjos@google.com>2017-03-02 13:53:48 -0800
committerTodd Kjos <tkjos@google.com>2017-03-02 13:53:48 -0800
commit837de638dc019843efb0f8744e299769af32e004 (patch)
tree3f693d421593332edcdf1d877433d31e9f1525de /net/ipv6/tcp_ipv6.c
parentf04805218728192d346291c1a0e78cb184142bad (diff)
parentdd4534d88b93a911983503851ec9441787a4997d (diff)
Merge branch 'upstream-linux-4.4.y' into android-4.4
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 8ed00c8a128a..f2652fd91b20 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -976,6 +976,16 @@ drop:
return 0; /* don't send reset */
}
+static void tcp_v6_restore_cb(struct sk_buff *skb)
+{
+ /* We need to move header back to the beginning if xfrm6_policy_check()
+ * and tcp_v6_fill_cb() are going to be called again.
+ * ip6_datagram_recv_specific_ctl() also expects IP6CB to be there.
+ */
+ memmove(IP6CB(skb), &TCP_SKB_CB(skb)->header.h6,
+ sizeof(struct inet6_skb_parm));
+}
+
static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *skb,
struct request_sock *req,
struct dst_entry *dst,
@@ -1165,8 +1175,10 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
sk_gfp_atomic(sk, GFP_ATOMIC));
consume_skb(ireq->pktopts);
ireq->pktopts = NULL;
- if (newnp->pktoptions)
+ if (newnp->pktoptions) {
+ tcp_v6_restore_cb(newnp->pktoptions);
skb_set_owner_r(newnp->pktoptions, newsk);
+ }
}
}
@@ -1181,16 +1193,6 @@ out:
return NULL;
}
-static void tcp_v6_restore_cb(struct sk_buff *skb)
-{
- /* We need to move header back to the beginning if xfrm6_policy_check()
- * and tcp_v6_fill_cb() are going to be called again.
- * ip6_datagram_recv_specific_ctl() also expects IP6CB to be there.
- */
- memmove(IP6CB(skb), &TCP_SKB_CB(skb)->header.h6,
- sizeof(struct inet6_skb_parm));
-}
-
/* The socket must have it's spinlock held when we get
* here, unless it is a TCP_LISTEN socket.
*