From 09fe3ef46c5a2cc65d173df9518013e208eb3ba3 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Thu, 12 Apr 2007 14:45:32 -0700
Subject: [PATCH] [PKTGEN]: Add try_to_freeze()

The pktgen module prevents suspend-to-disk.  Fix.

Acked-by: "Michal Piotrowski" <michal.k.k.piotrowski@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/pktgen.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 74a9a32b90..4b01496dc3 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -129,6 +129,7 @@
 #include <linux/ioport.h>
 #include <linux/interrupt.h>
 #include <linux/capability.h>
+#include <linux/freezer.h>
 #include <linux/delay.h>
 #include <linux/timer.h>
 #include <linux/list.h>
@@ -3333,6 +3334,8 @@ static int pktgen_thread_worker(void *arg)
 			t->control &= ~(T_REMDEV);
 		}
 
+		try_to_freeze();
+
 		set_current_state(TASK_INTERRUPTIBLE);
 	}
 
-- 
2.39.5