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Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 301eee726b0f..a50eb306e9e2 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1218,8 +1218,16 @@ process:
bh_lock_sock(sk);
ret = 0;
if (!sock_owned_by_user(sk)) {
- if (!tcp_prequeue(sk, skb))
- ret = tcp_v6_do_rcv(sk, skb);
+#ifdef CONFIG_NET_DMA
+ struct tcp_sock *tp = tcp_sk(sk);
+ if (tp->ucopy.dma_chan)
+ ret = tcp_v6_do_rcv(sk, skb);
+ else
+#endif
+ {
+ if (!tcp_prequeue(sk, skb))
+ ret = tcp_v6_do_rcv(sk, skb);
+ }
} else
sk_add_backlog(sk, skb);
bh_unlock_sock(sk);