From: David S. Miller <davem@sunset.davemloft.net>
Date: Mon, 3 Oct 2005 21:21:58 +0000 (-0700)
Subject: [IPV6]: Fix leak added by udp connect dst caching fix.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=a5e7c210fefd2454c757a3542e41063407ca7108;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

[IPV6]: Fix leak added by udp connect dst caching fix.

Based upon a patch from Mitsuru KANDA <mk@linux-ipv6.org>

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 6001948600f3..e4cad11f284a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -852,10 +852,16 @@ do_append_data:
 	else if (!corkreq)
 		err = udp_v6_push_pending_frames(sk, up);
 
-	if (dst && connected)
-		ip6_dst_store(sk, dst,
-			      ipv6_addr_equal(&fl->fl6_dst, &np->daddr) ?
-			      &np->daddr : NULL);
+	if (dst) {
+		if (connected) {
+			ip6_dst_store(sk, dst,
+				      ipv6_addr_equal(&fl->fl6_dst, &np->daddr) ?
+				      &np->daddr : NULL);
+		} else {
+			dst_release(dst);
+		}
+	}
+
 	if (err > 0)
 		err = np->recverr ? net_xmit_errno(err) : 0;
 	release_sock(sk);