diff --git a/[refs] b/[refs]
index 2d356ced37ae..c7ef828fd1b1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 63313494c4419bd5d60b4f3ef8970a98525ac9d3
+refs/heads/master: 67403754bceda484a62a697878ff20a0e8d3aae6
diff --git a/trunk/net/ipv4/tcp_probe.c b/trunk/net/ipv4/tcp_probe.c
index 1b72c55d336f..760165a0800c 100644
--- a/trunk/net/ipv4/tcp_probe.c
+++ b/trunk/net/ipv4/tcp_probe.c
@@ -80,7 +80,8 @@ static void printl(const char *fmt, ...)
 
 	kfifo_put(tcpw.fifo, tbuf, len);
 	wake_up(&tcpw.wait);
-}
+} __attribute__ ((format (printf, 1, 2)));
+
 
 /*
  * Hook inserted to be called before each receive packet.