From b4caea8aa8b4caeda2af6ef6b7f0d43c516815ee Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 26 Oct 2007 04:20:13 -0700 Subject: [PATCH] [TCP]: Add missing I/O AT code to ipv6 side. Signed-off-by: David S. Miller --- net/ipv6/tcp_ipv6.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 32dc329762e9..06fa4baddf05 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1732,6 +1732,8 @@ process: if (!sock_owned_by_user(sk)) { #ifdef CONFIG_NET_DMA struct tcp_sock *tp = tcp_sk(sk); + if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list) + tp->ucopy.dma_chan = get_softnet_dma(); if (tp->ucopy.dma_chan) ret = tcp_v6_do_rcv(sk, skb); else -- 2.30.2