Thread (5 messages) 5 messages, 3 authors, 2015-10-08
STALE4010d

[PATCH net v3 2/2] tipc: remove invalid ip_rt_put

From: Andreas Schultz <hidden>
Date: 2015-10-08 16:08:57
Subsystem: networking [general], the rest, tipc network layer · Maintainers: "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Jon Maloy, Tung Quang Nguyen

udp_tunnel_xmit_skb() will free the skb and release the rt->dst
reference in the error case. There is no need (and it would actully
trigger a warning) when we did.
This problem was not visible before, as udp_tunnel_xmit_skb() would
never return a value < 0
---
 net/tipc/udp_media.c | 4 ----
 1 file changed, 4 deletions(-)
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index c170d31..de8e110 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -181,10 +181,6 @@ static int tipc_udp_send_msg(struct net *net, struct sk_buff *skb,
 					  dst->ipv4.s_addr, 0, ttl, 0,
 					  src->udp_port, dst->udp_port,
 					  false, true);
-		if (err < 0) {
-			ip_rt_put(rt);
-			goto tx_error;
-		}
 #if IS_ENABLED(CONFIG_IPV6)
 	} else {
 		struct dst_entry *ndst;
-- 
2.1.4
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