X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=net%2Ftipc%2Fudp_media.c;h=ad2719ad4c1baf38cd8e31b244fe703382da002a;hb=527d1529e38b36fd22e65711b653ab773179d9e8;hp=816914ef228dac5fff2433ebdc8ca957173dc19d;hpb=b3bcb1b27203c24fbf181748cec6eec10419678d;p=firefly-linux-kernel-4.4.55.git

diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 816914ef228d..ad2719ad4c1b 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -48,6 +48,7 @@
 #include <linux/tipc_netlink.h>
 #include "core.h"
 #include "bearer.h"
+#include "msg.h"
 
 /* IANA assigned UDP port */
 #define UDP_PORT_DEFAULT	6118
@@ -220,6 +221,10 @@ static int tipc_udp_recv(struct sock *sk, struct sk_buff *skb)
 {
 	struct udp_bearer *ub;
 	struct tipc_bearer *b;
+	int usr = msg_user(buf_msg(skb));
+
+	if ((usr == LINK_PROTOCOL) || (usr == NAME_DISTRIBUTOR))
+		skb_linearize(skb);
 
 	ub = rcu_dereference_sk_user_data(sk);
 	if (!ub) {