[70/93] pktgen: Fix freezing problem

[Greg KH]

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Rafael J. Wysocki <rjw@xxxxxxx>

commit 1b3f720bf033fde1fbb6231f9b156b918c5f68d8 upstream.

Add missing try_to_freeze() to one of the pktgen_thread_worker() code
paths so that it doesn't block suspend/hibernation.

Fixes http://bugzilla.kernel.org/show_bug.cgi?id=15006

Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
Reported-and-tested-by: Ciprian Dorin Craciun <ciprian.craciun@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 net/core/pktgen.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3516,6 +3516,7 @@ static int pktgen_thread_worker(void *ar
 			wait_event_interruptible_timeout(t->queue,
 							 t->control != 0,
 							 HZ/10);
+			try_to_freeze();
 			continue;
 		}
 


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