X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=net%2Fsctp%2Fprotocol.c;h=b7143337e4fa025fdb473732fdc064503e731dd4;hb=133bb59585140747fd3938002670cb395f40dc76;hp=4345790ad3266c353eeac5398593c2a9ce4effda;hpb=fa815580fb87d1b8c218f9eba8122b2fc3f1a68c;p=firefly-linux-kernel-4.4.55.git

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 4345790ad326..b7143337e4fa 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -506,14 +506,22 @@ static void sctp_v4_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
 		if (IS_ERR(rt))
 			continue;
 
+		if (!dst)
+			dst = &rt->dst;
+
 		/* Ensure the src address belongs to the output
 		 * interface.
 		 */
 		odev = __ip_dev_find(sock_net(sk), laddr->a.v4.sin_addr.s_addr,
 				     false);
-		if (!odev || odev->ifindex != fl4->flowi4_oif)
+		if (!odev || odev->ifindex != fl4->flowi4_oif) {
+			if (&rt->dst != dst)
+				dst_release(&rt->dst);
 			continue;
+		}
 
+		if (dst != &rt->dst)
+			dst_release(dst);
 		dst = &rt->dst;
 		break;
 	}