sctp: xmit sctp packet always return no route error

Commit 'net: skb->dst accessors'(adf30907d63893e4208dfe3f5c88ae12bc2f25d5)
broken the sctp protocol stack, the sctp packet can never be sent out after
Eric Dumazet's patch, which have typo in the sctp code.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Vlad Yasevich <vladisalv.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sctp/output.c b/net/sctp/output.c
index b764114..b94c211 100644 (file)
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -407,7 +407,7 @@ int sctp_packet_transmit(struct sctp_packet *packet)
        }
        dst = dst_clone(tp->dst);
        skb_dst_set(nskb, dst);
-       if (dst)
+       if (!dst)
                goto no_route;
 
        /* Build the SCTP header.  */