[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>

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 74a9a32b906d49990f3c2d4e2ccc99a8cf9a0810..4b01496dc33d3439eec32b4fafe74bbcc4538b58 100644 (file)
--- 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);
        }