From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Sun, 28 Jun 2009 22:49:37 +0000 (+0000)
Subject: sctp: xmit sctp packet always return no route error
X-Git-Tag: firefly_0821_release~13027^2~258
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ff0ac74afb5b9916641723a78796d4ee7937c2ea;p=firefly-linux-kernel-4.4.55.git

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 b76411444515..b94c21190566 100644
--- 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.  */